Mayo Clinic 
Mayo Clinic specialists answer health questions.
Updated: 20 min 20 sec ago
Vitamin B-12 injections for weight loss: Do they work?
Vitamin B-12 injections — A weight-loss shot sounds appealing, but does it work?
Choosing sunglasses: Is UV protection important?
When it comes to sunglasses, UV protection matters. Here's why.
Strength training sets: How many for best results?
Generally, one set of strength training exercises is as effective as multiple sets.
Antidepressants and weight gain: What causes it?
Antidepressants and weight gain: What causes it and how to manage it.
Fish oil supplements: Can they treat depression?
For some people, fish oil supplements may be an effective add-on therapy for depression.
Testosterone therapy in women: Does it boost sex drive?
Testosterone therapy for women requires careful consideration and close monitoring.
Blood pressure: Can it be higher in one arm?
Generally, a small difference in blood pressure readings between arms isn't a concern.
Split fingernails: Can they be prevented?
To prevent split fingernails, treat your nails gently. Consider these simple nail care tips.
Alcohol: Does it affect blood pressure?
Drinking too much alcohol can raise your blood pressure to unhealthy levels.
Mononucleosis: Can it recur?
Rarely, mononucleosis can recur. Learn more about causes and complications.
Natural aphrodisiacs: Do they work?
Natural aphrodisiacs — A Mayo Clinic specialist explains whether foods and supplements can affect libido.
Baby walkers: Are they safe?
Baby walkers — A Mayo Clinic specialist explains the dangers of using a baby walker.
Atypical cells: Are they cancer?
Atypical cells appear abnormal, but they aren't necessarily cancerous.
Ear candling: Is it safe?
Ear candling — A Mayo Clinic specialist explains the dangers of this earwax removal technique.
Osteopath: What kind of doctor is a D.O.?
An osteopath is a doctor who, like an M.D., is trained to practice medicine.
Flat Belly Diet: Can it help you lose weight?
Flat Belly Diet — See what may be behind the weight loss on this diet.
Bezoars: What foods can cause this digestive problem?
Bezoars are masses of organic and inorganic matter trapped in the digestive system.
Coping with pain after breast surgery
How to cope with pain after breast surgery.
Foods for healthy skin: Top picks
A healthy diet can promote healthy skin. Consider the best foods for healthy skin.
Pseudoaneurysm: What causes it?
Pseudoaneurysm may be a complication of cardiac catheterization. Here's what to watch for.