Nutritional supplements
Learning Center
Flaxseed: Is ground better than whole?
Nutrition experts recommend ground flaxseed over whole flaxseed. Find out why.
Flu mask: Should I wear one?
Influenza masks and hand hygiene might help protect healthcare workers from flu (influenza).
Flu shot: Will it prevent the stomach flu?
The flu shot protects against influenza, which is different from the stomach flu, also called gastroenteritis.
Flu vaccine: Safe for people with egg allergy?
If you have egg allergy, you still may be able to receive the flu vaccine.
Food poisoning: How long can you safely keep leftovers?
Prevent food poisoning with these food safety tips for handling and reheating leftover food.
Frequent sex: Does it protect against prostate cancer?
Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer. But other research hasn't supported this idea.
Healthy heart for life: Avoiding heart disease
Preventing heart disease begins with small steps. Find out more about maintaining a healthy heart.
Heart attack prevention: Should I avoid secondhand smoke?
It's possible that secondhand smoke can irritate the arteries and increase the risk of a heart attack.
High-dose flu vaccines: How are they different from other flu vaccines?
High-dose flu vaccines are flu vaccines for older people.
Is it safe to store food in takeout containers?
Takeout containers aren't the best for storing leftovers. Wrap or repackage food to keep it fresher and safer.
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