LeDaniel Leung

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Scientists suggest a way to lower your stroke risk: Shorten your workweek

Do you worry that your workaholic ways are killing you? A new study says you may be right.<p>In an analysis of more than half a million men and women from around the world, those who put in long hours at the office were 33% more likely to suffer a stroke than their colleagues who clocked out earlier. …

A series of experiments has produced incredible results by giving young blood to old mice. Now the findings are being tested on humans. Ian Sample meets the scientists whose research could transform our lives<p>On an August morning in 2008, Tony Wyss-Coray sat in a conference room at the Veterans …

Medicine

What is it like to have never felt an emotion?

Some people seem to lack the capacity to feel joy, sorrow or love. David Robson discovers the challenges and surprising advantages of “alexithymia”.<p>Caleb is telling me about the birth of his son, now eight months old. “You know you hear parents say that the first time they looked at their kid, they …

Irritable Bowel Syndrome

Scientists find the brain’s missing ‘pipes’

“Throw out the textbooks” and “missing link” are words rarely heard anymore in science, but that’s what researchers around the world are saying about the recent discovery of microscopic lymphatic vessels connecting the brain to the immune system.<p>That physical link was long thought absent, …