Cardiology

Can exposure to 'young' blood increase lifespan?

A new study in which young and old mice were surgically joined such that they shared blood circulation for three months showed that the old mice did not significantly benefit in terms of lifespan. In contrast, the young mice ...

Alzheimer's disease & dementia

Q&A: Four ways to reduce your risk of dementia

DEAR MAYO CLINIC: I am in my mid-40s and have two young children. My mother developed memory issues in her early 60s, and it has progressively worsened. Her sisters also have related issues. How can I reduce my risk—and ...

Cardiology

Q&A: Mechanical or tissue heart valve replacements

My father is having issues with his aortic valve. He is 53 years old and was told he needs to have a valve replacement. I was reading that there are different types of valves. Can you explain the differences and what option ...

Psychology & Psychiatry

Scientists trace path from PTSD to heart disease

People with post-traumatic stress disorder (PTSD) face a higher risk of heart disease at an earlier age than people without PTSD. A new study helps explain why.

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