Fitness basics
Learning Center
Testosterone therapy in women: Does it boost sex drive?
This type of hormonal therapy may boost sex drive for some women, but its long-term safety is unclear.
Test anxiety: Can it be treated?
Feelings of worry and self-doubt can interfere with how well you do on tests. Here's what you can do to lower your anxiety.
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
Silicone breast implants: What happens if they rupture?
Understand the problems that may happen when a silicone breast implant leaks.
Rheumatoid arthritis: Can it affect the lungs?
Although rheumatoid arthritis primarily affects the joints, it can also affect the lungs.
Rheumatoid arthritis: Can it affect the eyes?
Although rheumatoid arthritis is primarily a joint disease, it occasionally affects the eyes.
Repeat C-sections: Is there a limit?
Repeat C-sections are common — but each C-section is generally more complicated than the last.
Recurring strep throat: When is tonsillectomy useful?
Tonsillectomy may sometimes be needed in children who have recurring strep throat infections.
Prostate cancer metastasis: Where does prostate cancer spread?
Prostate cancer can spread (metastasize) just about anywhere in the body, but it's most likely to spread to the lymph nodes and bones.
Prenatal vitamins: OK for women who aren't pregnant?
Prenatal vitamins: Why they might not be suitable if you're not pregnant.
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