Posted: 29 Jan 2015 03:51 PM PST
The Impact of repeated head blows is evident at relatively young age, researchers report, and is linked to a heightened risk of cognitive impairment. Researchers warn that there do seem to be important indicators of brain damage linked to repeated blows to the head, which could be used to inform future regulations.
Posted: 29 Jan 2015 09:55 AM PST
For the first time, researchers have shown when and why dopamine releasing cells in the forebrain are activated. The team has examined transparent hatchling zebrafish to gain new insights into the working of neurons in areas of the brain that are normally difficult to access. As a result, they have discovered for the first time both when and why the particular cells in the brain that affect movement are active.
Posted: 29 Jan 2015 09:54 AM PST
Compulsive overeating and sugar addiction are major threats to human health, but potential treatments face the risk of impairing normal feeding behaviors that are crucial for survival. A new study reveals a reward-related neural circuit that specifically controls compulsive sugar consumption in mice without preventing feeding necessary for survival, providing a novel target for the safe and effective treatment of compulsive overeating in humans.
Posted: 29 Jan 2015 09:54 AM PST
The outcome of that big sporting event you just can't wait to watch may depend on how the timing of the match aligns -- or doesn't -- with the internal biological clocks of the athletes on the teams, according to a new study. Athletes and coaches would do well to make note and adjust their schedules accordingly, the researchers say.
Posted: 29 Jan 2015 07:42 AM PST
The most comprehensive analysis to date of research on the effect of negative stereotypes on older people's abilities has concluded that these stereotypes create a significant problem for that demographic.
Posted: 28 Jan 2015 02:00 PM PST
Former National Football League (NFL) players who participated in tackle football before the age of 12 were more likely to have memory and thinking problems in adulthood, according to a new study.
Posted: 28 Jan 2015 02:00 PM PST
People's perceptions of the cost of a drug may affect how much they benefit from the drug, even when they are receiving only a placebo, according to a new study of people with Parkinson's disease.
Posted: 28 Jan 2015 11:19 AM PST
This is the first study to explore the power of online social networks in the battle of the bulge. Dieters who engaged the most lost more than 8 percent of body weight in six months. Scientists used data from CalorieKing.com's online weight-loss community* "I was very surprised by how ... social connectedness translated into greater weight loss," researcher says.
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