Psychology & Psychiatry

Expert explains differences between adult and teen depression

Clinical depression is a mood disorder than can affect anyone and at any age. The signs and symptoms, however, are not the same for everyone. Marcie Billings, M.D., a Mayo Clinic Children's Center pediatrician, says there ...

Medical research

Gut pathogens thrive on body's tissue-repair mechanism

Why do some foodborne bacteria make us sick? A paper published Sept. 16 in the journal Science has found that pathogens in the intestinal tract cause harm because they benefit from immune system responses designed to repair ...

Neuroscience

Probiotics improve cognition in Alzheimer's patients

For the first time, scientists have shown that probiotics—beneficial live bacteria and yeasts taken as dietary supplements—can improve cognitive function in humans. In a new clinical trial, scientists show that a daily ...

Gastroenterology

Q&A: Irritable bowel syndrome and lifestyle changes

DEAR MAYO CLINIC: I was diagnosed with irritable bowel syndrome and my primary care doctor recommended that I manage the condition without medication. Is that typical or will I also need medication to control my symptoms?

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