A study of seven patients with Parkinson's disease suggests that those who have poor results following implantation of electrodes to stimulate the brain may benefit from additional surgery to correct the electrode placement, according to a new report.

An international study of animal behavior has important implications for human decision-making. For animals that live in social groups, and that includes humans, blindly following a leader could place them in danger. To avoid this, animals have developed simple but

The risk of being hospitalized from being violently assaulted increases when there is increased alcohol sales near the victim's residence. For every extra 1,000 liters of alcohol sold per store per day (a doubling of alcohol sales), the overall risk

Researchers found socially subordinate female rhesus macaques over consume calorie-rich foods, resulting in accelerated weight gain and an increase in fat-derived hormones. The study is a critical step in understanding the psychological basis for the sharp increase in obesity across

Individuals with autism spectrum disorders show profound deficits in social interactions and communications and display repetitive behaviors and abnormal responses to sensory experiences. One aspect of an autistic child's impaired social abilities is their lack of affiliative behaviors, i.e., behaviors

An individual's expectation of getting better plays a crucial role in the likelihood of his or her recovery, even after the severity of their physical and psychological symptoms are taken into account. Researchers investigated the role of individuals' expectation of

A new study that is the first to systematically examine a large sample of female child molesters finds that many of them were themselves victims of sexual abuse as children. The finding has the potential to help break the cycle

The post-university years can start out tough. The good news: it gets better. A new study of almost 600 recent graduates (ages 20-29 years old) tracked mental health symptoms in participants for seven years post-graduation and looked at how key

Marijuana abuse leads to blood flow problems in the brain and increased risks for heart problems. To understand the way that marijuana might cause these side-effects, NIH scientists measured proteins in the blood of marijuana abusers and found that heavy

From soaps to body lotions to shampoos, consumers are increasingly drawn to personal care products that are labeled "green" or environmentally-friendly, a fast-growing market that chalks-up an estimated $4 billion in sales per year worldwide. Despite the hype over these