Sports nutrition
Learning Center
Chelation therapy for heart disease: Does it work?
Learn more about this debated treatment for heart disease.
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.
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.
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.
Breast implants and cancer: Any connection?
Concerned about a link between breast implants and cancer? Get the facts.
Birth control: Can preejaculation fluid cause pregnancy?
This possible cause of pregnancy makes withdrawal a method of birth control you cannot rely on.
Pap smear: Do I need one if I'm a virgin?
Doctors recommend regular cervical cancer screening whether you've had sex or not.
Leg cramps during pregnancy: Preventable?
A Mayo Clinic specialist shares prevention and treatment tips for leg cramps during pregnancy.
Hemorrhoids during pregnancy: What's the best treatment?
Know how to relieve painful, swollen veins in the anus and rectum during pregnancy.
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