Fitness basics
Learning Center
Hypothyroidism: Does it cause joint pain?
Hypothyroidism can cause muscle and joint problems, such as pain and stiffness.
What is thirdhand smoke, and why is it a concern?
Tobacco smoke creates toxic residue that clings to walls, carpets, clothes and other surfaces.
Acetyl-L-carnitine: Can it relieve MS fatigue?
Some research suggests that acetyl-L-carnitine may improve fatigue associated with multiple sclerosis, but more study is needed.
Tinnitus causes: Could my antidepressant be the culprit?
Ringing in the ears, also known as tinnitus, has many possible causes, such as taking antidepressants.
Can you recommend a diet after gallbladder removal?
Should you follow a special diet to prevent problems after gallbladder surgery?
Rhabdomyolysis from statins: What's the risk?
Rhabdomyolysis is a rare but potentially life-threatening side effect of statins.
Coughing more after quitting smoking: What's the deal?
If you cough more than usual after you give up cigarettes, find out what it might mean and when to call the doctor.
Stress and hair loss: Are they related?
Learn how stress and hair loss can be related.
Cholesterol test kits: Are they accurate?
Home cholesterol test kits are often as accurate as the test a health care professional uses, but the quality of results can depend on how well you follow the directions for the test.
Pain and depression: Is there a link?
Depression can cause unexplained physical symptoms, such as headaches. Chronic pain can cause problems that lead to depression, such as poor sleep.
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