Genetics

Romantic relationship dynamics may be in our genes

Variations in a gene called CD38, which is involved in attachment behavior in non-human animals, may be associated with human romantic relationship dynamics in daily life, according to a study published in Scientific Reports.

Psychology & Psychiatry

Helping others dampens the effects of everyday stress

Providing help to friends, acquaintances, and even strangers can mitigate the impact of daily stressors on our emotions and our mental health, according to new research published in Clinical Psychological Science, a journal ...

Neuroscience

Science reveals the power of a handshake

(Medical Xpress)—New neuroscience research is confirming an old adage about the power of a handshake: strangers do form a better impression of those who proffer their hand in greeting. The study was led by Beckman Institute ...

Health

Sleep loss lowers testosterone in healthy young men

Cutting back on sleep drastically reduces a healthy young man's testosterone levels, according to a study published in the June 1 issue of the Journal of the American Medical Association (JAMA).

Attention deficit disorders

Signs of ADHD evident by preschool, expert says

(HealthDay) -- One out of 11 school-aged children is diagnosed with attention-deficit/hyperactivity disorder (ADHD), and up to 40 percent of those kids may display symptoms in preschool, an expert says.

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