Fitness basics
Learning Center
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.
HPV infection: A cause of cancer in men?
Learn what types of cancer HPV can cause in men and how you can reduce your risk.
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.
Heart rate: What's normal?
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
High-dose flu vaccines: How are they different from other flu vaccines?
High-dose flu vaccines are flu vaccines for older people.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
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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