Neuroscience

Study reveals fentanyl's effects on the brain

Fentanyl is used to supplement sedation and to relieve severe pain during and after surgery, but it's also one of the deadliest drugs of the opioid epidemic. In research conducted by investigators at Massachusetts General ...

Diseases, Conditions, Syndromes

There may be 6 types of COVID-19

COVID-19 may not be just one disease, but six distinct types, a new British study claims.

Cardiology

Women's heart attack symptoms vary

You may think there's nothing subtle about a heart attack. But, the truth is, a series of subtle symptoms can signal heart trouble, especially in women.

Diseases, Conditions, Syndromes

Q and A: What is degenerative disk disease?

I've been struggling with back stiffness and pain for a long time, but it has gotten worse in the last few years. My doctor told me that I have degenerative disk disease. What exactly does that mean? Is it common and what ...

Diseases, Conditions, Syndromes

Q&A: How to treat painful bladder syndrome

DEAR MAYO CLINIC: I am a 45-year-old woman with urinary challenges, including feeling the frequent urge to empty my bladder. My primary doctor said I might have interstitial cystitis and suggested I see a urogynecologist. ...

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