Diet pills, supplements and surgery
Learning Center
Hoodia: Does this dietary supplement help weight loss?
Hoodia manufacturers claim the supplement controls appetite, but where's the evidence to back up these claims?
Baby sign language: A good idea?
Understand the benefits of baby sign language.
Baby walkers: Are they safe?
Baby walkers — A Mayo Clinic specialist explains the dangers of using a baby walker.
Do cortisol blockers aid weight loss?
Cortisol blockers claim to help with weight loss, but do they deliver? The evidence is slim at best.
Bitter orange weight-loss supplements: Do they work?
Bitter orange is in some weight-loss supplements. It acts like a stimulant, which sounds promising but has risks.
Reactive airway disease: Is it asthma?
Reactive airway disease is a general term that doesn't indicate a specific diagnosis.
Pap smear: Still needed after hysterectomy?
If you've had surgery to remove your uterus, you might not need routine Pap smears. Find out what doctors recommend for cervical cancer screening.
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.
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.
Tumor vs. cyst: What's the difference?
A Mayo Clinic expert explains the differences and similarities between these two types of growths and how doctors determine if they're cancerous.
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