Fitness basics
Learning Center
Does prickly pear cactus have health benefits?
Have you heard about prickly pear cactus? Find out about some surprising health benefits of this versatile plant.
MRI: Is gadolinium safe for people with kidney problems?
Older gadolinium contrast agents used with MRI posed a risk for people with severe kidney failure. Newer versions are much safer.
Flu vaccine: Safe for people with egg allergy?
If you have egg allergy, you still may be able to receive the flu vaccine.
Reactive hypoglycemia: What can I do?
Reactive hypoglycemia is low blood sugar that happens after eating.
Narrow stools: Should I be concerned?
Narrow stools may be a sign that the colon is narrowing or has a blockage.
Petroleum jelly: Safe for a dry nose?
Rarely, inhaling petroleum jelly for prolonged periods can cause lung inflammation (lipoid pneumonia).
Cigar smoking: Safer than cigarette smoking?
Despite what you might think, cigars aren't that different from cigarettes. Like cigarettes, cigars contain nicotine, tobacco and cancer-causing chemicals.
Occipital nerve stimulation: Effective migraine treatment?
Occipital nerve stimulation is a relatively new procedure to treat chronic headache disorders.
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.
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