Noonan Syndrome :: Mutation responsible for Noonan Syndrome

Scientists have discovered that mutations in a gene known as SOS1 account for many cases of Noonan syndrome (NS), a common childhood genetic disorder which occurs in one in 1,000-2,500 live births. NS is characterized by short stature, facial abnormalities and learning disabilities, as well as heart problems and predisposition to leukemia.

Gendered division of labor gave modern humans advantage over Neanderthals

Diversified social roles for men, women and children may have given Homo sapiens an advantage over Neanderthals, says a new study in the December 2006 issue of Current Anthropology. The study argues that division of economic labor by sex and age emerged relatively recently in human evolutionary history and facilitated the spread of modern humans throughout Eurasia.

Marijuana :: No ‘smoking’ gun – teen marijuana use does not predict drug, alcohol abuse

Marijuana is not a “gateway” drug that predicts or eventually leads to substance abuse, suggests a 12-year University of Pittsburgh study. The study, which found that young men who chose to initiate their drug use with marijuana were no more likely to go on to abuse drugs or alcohol than those who smoked or drank first, calls into question the long-held belief that has shaped prevention efforts and governmental policy for six decades.

Fast Food :: Fast food in children’s hospitals

Dr. Hannah Sahud, a pediatrician at Allegheny General Hospital in Pittsburgh, has published her study in Pediatrics, about fast food junctions and resaurants in children’s hospitals. Having fast-food restaurants in children’s hospitals influences patients’ families to eat fast food and to think that it’s relatively healthy.

Pediatrics :: Doctors blast ads’ effects on kids

US pediatricians and doctors ask crackdown on ads aimed at children. Inappropriate advertising contributes to many kids’ ills, from obesity to anorexia, to drinking booze and having sex too soon, the American Academy of Pediatrics says.

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