الأحد، 5 يناير 2014

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Blue Monday: Brutal cold, short days, post-holiday letdown raise risk of depression

Posted: 03 Jan 2014 05:52 PM PST

The first Monday after the holidays can be a depressing time for people coping with post-holiday letdown or depression triggered by short days called seasonal affective disorder (SAD). This year, First Monday will be especially blue, due to the added stress of the brutal cold in many parts of the country.

Loss of function of a single gene linked to diabetes in mice

Posted: 03 Jan 2014 05:51 PM PST

Researchers have found that dysfunction in a single gene in mice causes fasting hyperglycemia, one of the major symptoms of type 2 diabetes.

How invariant natural killers keep tuberculosis in check

Posted: 03 Jan 2014 05:56 AM PST

Mycobacterium tuberculosis is a major cause of death worldwide, and a formidable foe. Most healthy people can defend themselves against tuberculosis, but they need all parts of their immune system to work together. A new study reveals how a special class of immune cells called "invariant natural killer T cells" make their contribution to this concerted effort.

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