Neuroscience

How an addicted brain works

Addiction is now understood to be a brain disease. Whether it's alcohol, prescription pain pills, nicotine, gambling, or something else, overcoming an addiction isn't as simple as just stopping or exercising greater control ...

Diseases, Conditions, Syndromes

Q and A: Tips for coping with COVID-19 at home

DEAR MAYO CLINIC: My sister tested positive for COVID-19 with an at-home test and has not been to her doctor because her symptoms are mild—just some congestion and a slight cough. Although the new omicron variant of COVID-19 ...

Health

Niacin to boost your HDL 'good' cholesterol

Niacin is an important B vitamin that may raise your HDL, ("good"), cholesterol. Find out if you should talk to your health care provider about taking niacin alone or with cholesterol medications.

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