Health

Good night's sleep linked to happiness

(Medical Xpress)—Want a good night's sleep? Be positive – consistently. Although happiness is generally good for sleeping, when a person's happiness varies a lot in reaction to daily ups and downs, sleep suffers, reports ...

Psychology & Psychiatry

Brain imaging identifies bipolar risk

(Medical Xpress)—Researchers from the Black Dog Institute and University of NSW have used brain imaging technology to show that young people with a known genetic risk of bipolar but no clinical signs of the condition have ...

Neuroscience

Brain waves encode rules for behavior

One of the biggest puzzles in neuroscience is how our brains encode thoughts, such as perceptions and memories, at the cellular level. Some evidence suggests that ensembles of neurons represent each unique piece of information, ...

Neuroscience

Keeping pace: Walking speed may signal thinking problems ahead

A new study shows that changes in walking speed in late life may signal the early stages of dementia known as mild cognitive impairment (MCI). The research is published in the June 12, 2012, print issue of Neurology, the ...

Oncology & Cancer

Study shows dry storage a viable option for biospecimens

(Medical Xpress) -- A University of Colorado Cancer Center pilot study has discovered that the quality of dehydrated RNA from human cancer biospecimens compares favorably to those stored in ultra-low-temperature (minus-80 ...

Health

Motivation to exercise affects behavior

(Medical Xpress) -- For many people, the motivation to exercise fluctuates from week to week, and these fluctuations predict whether they will be physically active, according to researchers at Penn State. In an effort to ...

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