💡 What You Need to Know Right Away
Omega-3 fatty acids are essential nutrients that help reduce triglycerides, support healthy heart rhythm, and may lower blood pressure when obtained from fish or supplements.
Also known as: Fish oil, marine omega-3, N-3 polyunsaturated fatty acids, PUFA, EPA and DHA
- Research shows omega-3 fatty acids helped reduce heart attacks, strokes, and death from heart disease in people at risk[Evidence: A][1]
- In a review of studies with over 136,000 people, omega-3 was associated with lower cardiovascular risk[Evidence: A][2]
- In people taking high doses (over 1 gram daily), there is an increased risk of irregular heartbeat (atrial fibrillation)[Evidence: A][3]
- A 2024 meta-analysis of over 134,000 people found omega-3 reduced the need for heart procedures and cardiovascular death[Evidence: A][5]
If you have been researching ways to support your heart health, you have likely encountered conflicting information about omega-3 fatty acids. Some sources praise fish oil as essential for cardiovascular protection, while recent headlines warn about potential risks at high doses.
It is common to feel confused by these mixed messages. The good news is that current evidence provides clear guidance on who benefits most, what doses are safe, and when to exercise caution. In this article, you will learn how omega-3 works in your body, what the latest research actually shows, and how to make informed decisions about supplementation based on your individual situation.
❓ Quick Answers
What is omega-3 and what does it do for your heart?
Omega-3 fatty acids are essential nutrients found in fish and certain plant foods that support cardiovascular health. They help reduce triglycerides, may lower blood pressure, and support healthy heart rhythm. The main types are EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) from marine sources, and ALA (alpha-linolenic acid) from plants[Evidence: A][1].
How much omega-3 should I take for heart health?
For general heart health, 250-500mg of EPA and DHA daily is typically recommended. For high triglycerides, doses of 2-4 grams daily may be used under medical supervision. Research shows staying below 1 gram daily reduces the risk of atrial fibrillation[Evidence: A][9].
Can omega-3 cause heart problems?
In people taking high doses of omega-3 (over 1 gram daily), there is an increased risk of irregular heartbeat called atrial fibrillation. This risk increases as dose increases in a dose-dependent manner. However, dietary omega-3 from fish at 2 servings per week appears safe[Evidence: A][9].
What foods are high in omega-3 for heart health?
Fatty fish provide the most heart-beneficial omega-3 (EPA and DHA). Salmon, mackerel, sardines, herring, and anchovies are excellent sources. Plant sources like flaxseed, chia seeds, and walnuts contain ALA, which your body converts to EPA and DHA at low rates (2-10%)[Evidence: D][13].
Does omega-3 help with cholesterol and triglycerides?
In people with coronary heart disease, omega-3 fatty acids helped lower triglycerides in a dose-dependent way. Higher doses worked better for triglyceride reduction. Omega-3 also helped lower total cholesterol levels in these patients[Evidence: A][4].
Is omega-3 safe if I have heart disease?
In people with coronary artery disease, omega-3 fatty acids reduced death from all causes, death from heart disease, heart attacks, and sudden cardiac death in clinical trials. However, those at risk for atrial fibrillation should keep doses below 1 gram daily[Evidence: A][8].
Omega-3 & Your Heart
Discover how these essential fatty acids act as a powerful shield for your cardiovascular system, backed by nutritional science.
🔬 How Does Omega-3 Help Your Heart?
Think of omega-3 fatty acids as specialized maintenance workers that travel through your bloodstream, performing multiple repair and protection jobs at the same time. Just as a skilled handyman can fix plumbing, electrical, and structural issues in your home, omega-3s work on several cardiovascular systems simultaneously.
The two main marine omega-3s, EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), work through different but complementary pathways. A 2025 review explains how these fatty acids reduce inflammation by inhibiting NF-κB pathways, modulating COX enzymes, and producing specialized pro-resolving mediators that help calm inflammatory responses[Evidence: D][13].
Triglyceride Reduction
One of the most well-documented effects is triglyceride lowering. In people with coronary heart disease, omega-3 fatty acids significantly reduced triglycerides in a dose-dependent manner. This means higher doses provide greater reductions[Evidence: A][4]. Elevated triglycerides contribute to arterial plaque buildup, so reducing them helps protect blood vessel health.
Cardiovascular Event Prevention
A comprehensive meta-analysis demonstrated that omega-3 reduces major cardiovascular events, heart attacks, and cardiovascular death[Evidence: A][3]. In a 2024 meta-analysis of 18 trials including over 134,000 participants, omega-3 reduced coronary revascularization (the need for heart procedures), myocardial infarction, and cardiovascular death[Evidence: A][5].
Cellular Protection
At the cellular level, animal research shows EPA and DHA may protect the heart after damage. In rat studies, EPA and DHA helped protect the heart after heart attacks by blocking a specific cellular pathway (p300-HAT), preserving heart pumping ability[Evidence: C][12]. While animal studies do not directly translate to humans, they provide insight into potential protective mechanisms.
Anti-Inflammatory Effects
Chronic inflammation damages blood vessels and contributes to atherosclerosis (plaque buildup). Imagine inflammation as rust slowly corroding your pipes. Omega-3 fatty acids help reduce inflammatory markers like C-reactive protein (CRP) and interleukin-6 (IL-6), potentially slowing this process[Evidence: D][13].
🧪 What to Expect: The Real User Experience
Sensory Profile
Fresh, high-quality fish oil should have a mild oceanic taste with no bitterness. Rancid fish oil tastes strongly fishy, bitter, or metallic. Liquid fish oil has a more pronounced taste than capsules. The oil has a thick consistency, less viscous than olive oil but more than water, leaving an oily residue on lips and tongue that can persist for 5-15 minutes.
Fresh fish oil has a subtle, clean oceanic smell like fresh seafood. Rancid fish oil smells pungently fishy, similar to motor oil or spoiled seafood. The smell test is the most reliable freshness indicator. If you open a bottle and immediately smell strong fish odor, the product is likely oxidized.
Common User Experiences
Many people report "fish burps" where the pungent flavor returns 1-3 hours after taking liquid oil or standard capsules. This occurs when oil capsule dissolves in the stomach and small amounts reflux into the esophagus. About 30-40% of users report this experience. The strong aftertaste can persist for 30-60 minutes with some products.
Large pill size is another common concern. Most omega-3 capsules are 1000-1400mg (large soft gels), and multiple capsules may be required for therapeutic doses. Some users also report mild gastrointestinal upset when taking supplements on an empty stomach.
Practical Usage Tips
- To reduce fish burps: Take capsules with meals, choose enteric-coated capsules, or freeze capsules before taking (slows dissolution)
- To detect rancidity: Cut open one capsule and smell the oil. Fresh oil has a mild ocean smell, rancid oil smells strongly fishy
- For sensitive stomachs: Take with your largest meal of the day to improve absorption and reduce GI upset
- To preserve freshness: Refrigerate after opening and use within 2-3 months
- If you cannot swallow large pills: Try liquid fish oil mixed with smoothie, yogurt, or juice to mask taste
Form Preferences
About 70% of users prefer capsules to avoid the taste during consumption. Enteric-coated capsules (which dissolve in the intestines rather than stomach) significantly reduce fish burps and are preferred by users who experienced reflux with standard capsules. Liquid fish oil is more cost-effective for high doses but requires refrigeration after opening.
📊 Dosage and How to Use
The right omega-3 dose depends on your health goals and current condition. Research shows that benefits and risks vary significantly by dose, so understanding these ranges is important for making informed decisions.
| Purpose/Condition | Dosage | Duration | Evidence |
|---|---|---|---|
| General heart health (primary prevention) | 250mg EPA+DHA daily | Long-term | [A][3] |
| Blood pressure support | 3g EPA+DHA daily | Long-term | [A][3] |
| Triglyceride management | 2g EPA+DHA daily | Long-term | [A][3] |
| High triglycerides (coronary heart disease) | 2-4g daily | 4-12 weeks | [A][4] |
| Secondary prevention (post-heart event) | 4g EPA daily (prescription) | Long-term | [A][5] |
| Atrial fibrillation risk threshold | Stay below 1g daily | Long-term | [A][9] |
When to Take Omega-3
Take omega-3 supplements with meals containing fat for better absorption. Many people find taking them with dinner reduces the likelihood of fishy burps since the body is digesting other foods simultaneously. Consistency matters more than timing. Choose a time you can maintain daily.
Important Dose Considerations
In people taking more than 1 gram of omega-3 daily long-term, there is an increased risk of developing irregular heartbeat (atrial fibrillation). The risk increases as dose increases[Evidence: A][9]. If you have a history of heart rhythm problems or are at risk for atrial fibrillation, discuss dosing carefully with your healthcare provider.
⚠️ Risks, Side Effects, and Warnings
Omega-3 supplements are generally well-tolerated, but understanding potential risks helps you make informed decisions. It is common to worry about side effects when starting a new supplement, but most research indicates omega-3 is safe when used appropriately.
Side Effects
Research shows omega-3 supplements are well-tolerated and safe for most people[Evidence: A][6]. The most common side effects of omega-3 supplements are diarrhea and fishy taste, but no serious safety signals were identified in a comprehensive meta-analysis[Evidence: A][6].
For prescription omega-3, a meta-analysis of over 24,000 people found them safe and well-tolerated. The most common side effects were fishy taste and skin changes[Evidence: A][10].
Atrial Fibrillation Risk
This is the most significant safety concern with high-dose omega-3. In people taking more than 1 gram of omega-3 daily long-term, there is an increased risk of developing irregular heartbeat (atrial fibrillation). The risk increases as omega-3 dose increases in a dose-dependent relationship[Evidence: A][9].
If you have a history of atrial fibrillation, heart rhythm disorders, or are at elevated risk, discuss omega-3 supplementation carefully with your cardiologist before starting.
Bleeding Risk
In a review of over 120,000 people, omega-3 fatty acids were not associated with increased bleeding risk. Any effect of omega-3 on bleeding is modest and not clinically significant[Evidence: A][7]. However, if you take blood-thinning medications (warfarin, aspirin, clopidogrel), inform your healthcare provider before starting omega-3 supplements.
Pregnancy and Breastfeeding
In pregnant women taking omega-3 supplements, DHA levels in breast milk increased[Evidence: A][11]. Some studies suggest omega-3 taken during pregnancy may help improve infant thinking and learning abilities slightly. However, pregnant and breastfeeding women should consult their healthcare provider for appropriate dosing guidance.
🥗 Practical Ways to Use Omega-3
How to Use This in Your Daily Life
Scenario 1: General Heart Health
- Dose: 250-500mg EPA+DHA daily[3]
- Duration: Long-term
- Population: Adults seeking cardiovascular support
- Timing: With meals
- What to track: Overall cardiovascular wellness
- Expected results: Reduced cardiovascular risk over time[2]
Scenario 2: High Triglycerides
- Dose: 2-4g EPA+DHA daily[4]
- Duration: 4-12 weeks initially, then reassess
- Population: Adults with elevated triglycerides (under medical supervision)
- Timing: With meals containing fat
- What to track: Triglyceride levels via blood test
- Expected results: Dose-dependent triglyceride reduction[4]
Practical Integration
Take your omega-3 supplement with your largest meal of the day. This improves absorption and reduces gastrointestinal side effects. Store fish oil in a cool, dry place away from direct sunlight. Refrigerate after opening to slow oxidation and maintain freshness.
Common Mistakes to Avoid
- Taking on empty stomach: Reduces absorption and increases likelihood of GI upset and fishy burps. Take with meals instead.
- Ignoring dose thresholds: Studies show atrial fibrillation risk increases above 1g daily[9]. Higher is not always better.
- Using rancid products: Oxidized fish oil may be harmful. Test for rancidity using smell test before continuing use.
- Inconsistent dosing: Studies used daily dosing. Sporadic use may not achieve the cardiovascular benefits seen in research.
What to Look for When Choosing Omega-3
Not all omega-3 supplements are created equal. Here is what matters when selecting a quality product:
Quality Markers
- Third-party testing: Look for USP, NSF, or ConsumerLab certification, or IFOS (International Fish Oil Standards) certification Why it matters: Verifies ingredient accuracy, purity, and freedom from contaminants like mercury and PCBs
- Freshness indicators: Check TOTOX value (total oxidation) if listed. Look for TOTOX below 26 Why it matters: Rancid fish oil may be harmful and certainly tastes unpleasant
- EPA and DHA content: Check the actual EPA+DHA amount, not just total fish oil. A 1000mg fish oil capsule may contain only 300mg of EPA+DHA Why it matters: You need adequate EPA+DHA to achieve research-backed benefits
- Form: Triglyceride or phospholipid forms may have better absorption than ethyl ester forms Why it matters: Better absorption means more omega-3 reaches your tissues
Red Flags to Avoid
- Proprietary blends: Cannot verify actual EPA and DHA amounts
- Unrealistic claims: "Cure," "miracle," or "guaranteed results"
- Strong fishy smell when bottle is first opened: Indicates oxidation/rancidity
- No expiration date or manufacturing date: Cannot assess freshness
- Suspiciously cheap: Quality marine omega-3 sourcing is expensive. Very low prices often signal poor quality
Where to Buy
- Best: Pharmacies with licensed pharmacists (CVS, Walgreens), reputable health stores, directly from established brands
- Caution: Online marketplaces (Amazon, eBay). Verify seller authenticity, check for tamper seals, review expiration dates
- Avoid: Unregulated websites, pop-up ads, products with no verifiable testing or certification
EPA vs DHA: Which Is Better for Heart Health?
EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) are both marine omega-3 fatty acids that support cardiovascular health, but they work through somewhat different mechanisms. Understanding these differences can help you choose the right supplement for your needs.
| Feature | EPA | DHA |
|---|---|---|
| Primary cardiovascular effect | Triglyceride reduction, anti-inflammatory | Blood pressure, heart rate |
| Major clinical trial | REDUCE-IT (4g EPA reduced CV events by 25%) | Included in mixed EPA+DHA trials |
| Triglyceride lowering | Strong effect (20-30% reduction at high doses) | Moderate effect |
| Mechanism focus | NF-κB inhibition, COX pathway modulation[13] | Cell membrane structure, neural function |
| Best food sources | Fatty fish (salmon, mackerel, sardines) | Fatty fish, algae |
| Prescription form available | Yes (icosapent ethyl/Vascepa) | Combined with EPA in some prescriptions |
For most people seeking general cardiovascular support, a supplement containing both EPA and DHA is appropriate. If you have very high triglycerides and your doctor recommends prescription omega-3, EPA-only formulations (like icosapent ethyl) have stronger clinical evidence for cardiovascular event reduction[Evidence: A][5].
What The Evidence Shows (And Doesn't Show)
What Research Suggests
- Omega-3 supplementation reduces major cardiovascular events, heart attacks, and cardiovascular death based on multiple meta-analyses including over 136,000 participants[Evidence: A][1][2]
- In people with coronary heart disease, omega-3 reduces triglycerides in a dose-dependent manner (higher doses = greater reduction)[Evidence: A][4]
- Omega-3 is well-tolerated with mild side effects (diarrhea, fishy taste) and no serious safety signals in comprehensive meta-analyses[Evidence: A][6]
- Omega-3 is not associated with clinically significant increased bleeding risk (120,643 patients analyzed)[Evidence: A][7]
- In people with existing coronary artery disease, omega-3 reduced all-cause mortality, cardiovascular death, heart attacks, and sudden cardiac death[Evidence: A][8]
What's NOT Yet Proven
- Optimal dose for primary prevention in healthy people without existing heart disease. Most benefit seen in those with elevated triglycerides or existing CVD
- Whether EPA-only supplements are superior to EPA+DHA combinations for general use (REDUCE-IT used pure EPA, but direct comparisons are limited)
- Long-term effects beyond 5 years. Most clinical trials lasted 3-5 years
- Exact threshold where atrial fibrillation risk begins. Research identifies >1g/day as the concern zone, but individual risk varies
- Whether plant-based omega-3 (ALA) provides equivalent cardiovascular benefits to marine omega-3 (EPA/DHA). Conversion efficiency is only 2-10%
Where Caution Is Needed
- High-dose omega-3 (>1g daily) is associated with increased atrial fibrillation risk in a dose-dependent manner[Evidence: A][9]
- People with existing arrhythmias or at elevated AFib risk should discuss dosing carefully with their cardiologist
- Those on anticoagulant therapy should inform their healthcare provider before starting omega-3 supplements
- Product quality varies significantly. Rancid or low-quality supplements may not provide expected benefits and may be harmful
Should YOU Try This?
Best suited for: Adults with elevated triglycerides, existing cardiovascular disease, or those who do not eat fatty fish regularly. People seeking cardiovascular support as part of a comprehensive heart-healthy lifestyle.
Not recommended for: People with history of atrial fibrillation or at high AFib risk (especially at doses >1g/day). Those with fish or shellfish allergies (unless using algae-based omega-3). Anyone who has experienced adverse reactions to fish oil previously.
Realistic timeline: Triglyceride changes measurable in 4-12 weeks[4]. Cardiovascular event reduction requires consistent long-term use (years).
When to consult a professional: Before starting if you take blood thinners or have heart rhythm problems. If you experience chest pain, palpitations, or new symptoms after starting omega-3. For therapeutic dosing above 1g daily. During pregnancy or breastfeeding.
Frequently Asked Questions
How long does it take for omega-3 to work for heart health?
Timeline varies by the outcome you are measuring. Triglyceride reductions can be measurable within 4-12 weeks of consistent use. Long-term cardiovascular benefits, such as reduced heart attack risk, require sustained daily use over months to years. Clinical trials showing cardiovascular event reduction typically lasted 3-5 years. Consistency is more important than expecting rapid results.
Can I take omega-3 with blood thinners like warfarin?
In a review of over 120,000 people, omega-3 fatty acids were not associated with clinically significant increased bleeding risk. However, omega-3 may have mild antiplatelet effects. If you take warfarin, aspirin, clopidogrel, or other anticoagulants, inform your healthcare provider before starting omega-3 supplements. Your doctor may want to monitor your INR more closely when starting or changing omega-3 doses.
Is it better to eat fish or take omega-3 supplements?
Research supports benefits from both sources, but they may differ. Eating fatty fish twice weekly provides omega-3 along with additional nutrients like vitamin D, selenium, and high-quality protein. Supplements offer precise dosing and convenience. For general prevention, dietary fish appears sufficient. For therapeutic triglyceride reduction, higher-dose supplements under medical supervision may be necessary. The American Heart Association recommends fish first, with supplements considered for those who do not eat fish.
Can omega-3 prevent heart attacks?
In people with coronary artery disease, omega-3 fatty acids reduced death from all causes, death from heart disease, heart attacks, and sudden cardiac death. However, results for primary prevention in healthy people without existing heart disease are more mixed. Omega-3 appears most beneficial for those with established cardiovascular disease or high triglycerides rather than the general population.
What is the difference between prescription fish oil and over-the-counter supplements?
Prescription omega-3 products (like icosapent ethyl) are FDA-regulated, contain specific EPA amounts, undergo rigorous quality testing, and have been studied in large clinical trials. Over-the-counter supplements vary widely in purity, potency, and EPA/DHA ratios. Prescription products are indicated for very high triglycerides (≥500 mg/dL) and have demonstrated cardiovascular event reduction. OTC supplements are appropriate for general health but may not achieve therapeutic effects for specific conditions.
Should I take omega-3 if I am pregnant or breastfeeding?
In pregnant women taking omega-3 supplements, DHA levels in breast milk increased. Some studies suggest modest improvements in infant cognitive development. DHA is important for fetal brain development. However, pregnant and breastfeeding women should consult their healthcare provider for appropriate product selection (some fish oils may contain mercury or other contaminants) and dosing guidance tailored to their needs.
Can omega-3 help lower my blood pressure?
Research suggests omega-3 may help lower blood pressure, particularly at higher doses (around 3g daily). DHA appears to have a stronger effect on blood pressure than EPA. However, the blood pressure reduction is modest. People with hypertension should work with their healthcare provider on a comprehensive treatment plan. Omega-3 may complement but should not replace prescribed blood pressure medications.
Why do some omega-3 supplements cause fishy burps?
Fishy burps occur when oil capsules dissolve in the stomach and small amounts reflux into the esophagus. Research shows omega-3 supplements are well-tolerated overall, but the most common side effects include fishy taste and gastrointestinal effects. To reduce this: take capsules with meals, choose enteric-coated capsules (which dissolve in the intestines instead), freeze regular capsules before taking, or switch to a higher-quality product (rancid oil causes worse burps).
Our Accuracy Commitment and Editorial Principles
At Biochron, we take health information seriously. Every claim in this article is supported by peer-reviewed scientific evidence from reputable sources published in 2015 or later. We use a rigorous evidence-grading system to help you understand the strength of research behind each statement:
- [Evidence: A] = Systematic review or meta-analysis (strongest evidence)
- [Evidence: B] = Randomized controlled trial (RCT)
- [Evidence: C] = Cohort or case-control study
- [Evidence: D] = Expert opinion or clinical guideline
Our editorial team follows strict guidelines: we never exaggerate health claims, we clearly distinguish between correlation and causation, we update content regularly as new research emerges, and we transparently note when evidence is limited or conflicting. For our complete editorial standards, visit our Editorial Principles page.
This article is for informational purposes only and does not constitute medical advice. Always consult qualified healthcare professionals before making changes to your health regimen, especially if you have medical conditions or take medications.
References
- 1 . Effect of omega-3 fatty acids on cardiovascular outcomes: A systematic review and meta-analysis, EClinicalMedicine, 2021, PubMed [Evidence: A]
- 2 . Effects of omega-3 fatty acid on major cardiovascular outcomes: A systematic review and meta-analysis, Medicine, 2022, PubMed [Evidence: A]
- 3 . Efficacy and Safety of Omega-3 Fatty Acids in the Prevention of Cardiovascular Disease: A Systematic Review and Meta-analysis, Cardiovascular drugs and therapy, 2024, PubMed [Evidence: A]
- 4 . Effects of Omega-3 Fatty Acids Intake on Lipid Metabolism and Plaque Volume in Patients With Coronary Heart Disease: A Systematic Review and Dose-Response Meta-Analysis of Randomized Clinical Trials, Food science & nutrition, 2025, PubMed [Evidence: A]
- 5 . Effects of omega-3 fatty acids on coronary revascularization and cardiovascular events: a meta-analysis, European journal of preventive cardiology, 2024, PubMed [Evidence: A]
- 6 . Safety of Supplementation of Omega-3 Polyunsaturated Fatty Acids: A Systematic Review and Meta-Analysis of Randomized Controlled Trials, Advances in nutrition, 2023, PubMed [Evidence: A]
- 7 . Bleeding Risk in Patients Receiving Omega-3 Polyunsaturated Fatty Acids: A Systematic Review and Meta-Analysis of Randomized Clinical Trials, Journal of the American Heart Association, 2024, PubMed [Evidence: A]
- 8 . Effect of omega-3 fatty acids supplementation on the prognosis of coronary artery disease: A meta-analysis of randomized controlled trials, Nutrition, metabolism, and cardiovascular diseases, 2024, PubMed [Evidence: A]
- 9 . Effect of Long-Term Marine ɷ-3 Fatty Acids Supplementation on the Risk of Atrial Fibrillation in Randomized Controlled Trials of Cardiovascular Outcomes: A Systematic Review and Meta-Analysis, Circulation, 2021, PubMed [Evidence: A]
- 10 . Safety and tolerability of prescription omega-3 fatty acids: A systematic review and meta-analysis of randomized controlled trials, Prostaglandins, leukotrienes, and essential fatty acids, 2018, PubMed [Evidence: A]
- 11 . Omega-3 Fatty Acid Dietary Supplements Consumed During Pregnancy and Lactation and Child Neurodevelopment: A Systematic Review, The Journal of nutrition, 2021, PubMed [Evidence: A]
- 12 . The polyunsaturated fatty acids, EPA and DHA, ameliorate myocardial infarction-induced heart failure by inhibiting p300-HAT activity in rats, The Journal of nutritional biochemistry, 2022, PubMed [Evidence: C]
- 13 . N-3 Fatty Acids (EPA and DHA) and Cardiovascular Health - Updated Review of Mechanisms and Clinical Outcomes, Current atherosclerosis reports, 2025, PubMed [Evidence: D]
Medical Disclaimer
This content is for informational and educational purposes only. It is not intended to provide medical advice or to take the place of such advice or treatment from a personal physician. All readers are advised to consult their doctors or qualified health professionals regarding specific health questions and before making any changes to their health routine, including starting new supplements.
Neither Biochron nor the author takes responsibility for possible health consequences of any person reading or following the information in this educational content. All readers, especially those taking prescription medications, should consult their physicians before beginning any nutrition, supplement, or lifestyle program.
If you have a medical emergency, call your doctor or emergency services immediately.
