Fitness basics
Learning Center
Blood sugar levels can fluctuate for many reasons
Unexplained changes in blood sugar levels can be the result of illness, injury, stress and hormone changes.
Bioidentical hormones: Are they safer?
There's no evidence that bioidentical hormones are safer than standard hormone therapy for menopause.
Natural breast enhancement: Do supplements work?
Breast enhancement supplements haven't been proved effective, and they could cause side effects.
Hypothyroidism: Should I take iodine supplements?
Although iodine deficiency can cause hypothyroidism, this deficiency is rare in the United States.
Calcium supplements: Do they interfere with blood pressure drugs?
In large amounts, these supplements may affect certain blood pressure medicines.
Prostate cancer: Does PSA level affect prognosis?
Find out what your PSA level may mean for your prostate cancer prognosis.
Antibiotics and pregnancy: What's safe?
Learn about common types of antibiotics used during pregnancy and their safety.
Heartburn medicines and B-12 deficiency
Acid-controlling medicines may do more than prevent heartburn. They also may keep vitamin B-12 from being absorbed.
HPV infection: A cause of cancer in men?
Learn what types of cancer human papillomavirus can cause and how you can lower your risk.
Prostatitis: Can sexual activity make it worse?
Some men with prostatitis have pain with ejaculation or sexual activity.
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