Immunology

Natural killer cells played a vital role in human evolution

(Medical Xpress)—Natural killer cells – a vital part of the immune system – have a dual role in protecting against infection and ensuring reproduction. Scientists suggest that the multi-tasking ability of these cells ...

Genetics

Cognition in rare hormonal disorder

PHP1A (pseudohypoparathyroidism 1A) is a rare genetic disorder that causes short adult stature, multi-hormone resistance, early-onset obesity and cognitive impairment.

Other

Lessons from the 'gene for speed'

As you prepare to watch the world's best athletes competing at the London 2012 Olympics, have you thought about what distinguishes elite sprinters from long-distance athletes?

Cardiology

Researchers identify 'master coordinator' for aortic rupture

Every year, more than 16,000 Americans die as a result of what's known as an "aortic dissection"—a catastrophic rupture of the aorta, the body's largest artery. Once thought to be a simple structural failure, aortic dissection ...

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