Psychology & Psychiatry

Some harmful effects of light at night can be reversed: study

Chronic exposure to dim light at night can lead to depressive symptoms in rodents -- but these negative effects can be reversed simply by returning to a standard light-dark cycle, a new study suggests.

Medical research

Timing is everything when using oxygen to regenerate bone

A research team at Tulane University will report this week that the application of high levels of oxygen to a severed bone facilitates bone regrowth, study results that may one day hold promise for injured soldiers, diabetics ...

Neuroscience

How the brain puts the brakes on the negative impact of cocaine

Research published by Cell Press in the January 12 issue of the journal Neuron provides fascinating insight into a newly discovered brain mechanism that limits the rewarding impact of cocaine. The study describes protective ...

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