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Attention deficit hyperactivity disorder (ADHD) appears to affect movement in boys more than it does in girls, according to a study published in Neurology, the medical journal of the American Academy of Neurology. ADHD is one of the most common mental disorders found in children. Symptoms include impulsiveness, hyperactivity, such as not being able to sit still, and inattention or constant daydreaming. Few studies have been done that compare ADHD and movement in both boys and girls. read more

Researchers examining the occurrence of psychoses among migrant groups have shown a raised incidence for all black and ethnic minority subgroups compared with white British counterparts, and reveal that the risk of psychoses for first and second generations varies by ethnicity.

HealthDay - Here are some of the latest health and medical news developments, compiled by editors of HealthDay:

A while back I wrote a critique of the TV hypothesis by Waldman et al. I noted the likely confound is population density, which should not be considered a "fixed effect" in Waldman's methodology (an interesting statistical methodology that is apparently used in Economics frequently). When we talk about population density as a confound, we're really using it as a proxy of other confounds that are clearly not fixed in time. read more

Inspiration To Make You Realize You Have No Problems. It raises the questions of what is happiness and what is a problem. Appreciate what has God given you and be happy. Watch this to see how Nick Vujicic lives his life (Hat tip to Happy Hospitalist for this one). By Toni Brayer, MD