Medical research

Longevity gene makes Hydra immortal and humans grow older

Why do we get older? When do we die and why? Is there a life without ageing? For centuries, science has been fascinated by these questions. Now researchers from Kiel (Germany) have examined why the polyp Hydra is immortal ...

Oncology & Cancer

Vitamin D deficiency common in cancer patients

More than three-quarters of cancer patients have insufficient levels of vitamin D (25-hydroxy-vitamin D) and the lowest levels are associated with more advanced cancer, according to a study presented on October 2, 2011, at ...

Overweight & Obesity

Almost 1 in every 3 college-age Americans are now obese

It's probably fair to say that most people know of the so-called "Freshman 15"—the weight that college students are often said to gain when they're away from home for the first time.

Health

Age 40 is when busy Americans get the least sleep

A graph of how long Americans sleep forms a U-shaped pattern across our lives, with age 40 being the low point and hours of sleep starting to creep back up about age 50, Medical College of Georgia investigators report.

Psychology & Psychiatry

Attempted suicide among young people can be reduced by 50 percent

A new study published in journal The Lancet outlines a programme for preventing suicidality among young people. The results provide strong endorsement for a method whereby school students learn to discover signs of mental ...

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