Can they really improve cardiovascular health?
Probably no nutritional supplement has earned as much attention — and has created as much confusion — as fish oil. Some research says taking a daily fish oil supplement can reduce your risk of heart attacks and strokes, while other studies say the evidence remains thin.
Then there are the multiple types of fish oil supplements you can buy at drugstores and online. Are they safe? And are they a better option than just eating fish?
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