Moody Teen? Must Have an Immature Frontal Lobe

Study links risky behavior to a better crop of white matter

(NEWSER) - Conventional wisdom says that teens who experiment with drugs, sex, and other risky behaviors do so because their brains—specifically the frontal-lobe areas responsible for decision making—are immature. But a new study turns that notion upside down, suggesting that risky teens have more mature brains than teens who play it safe, reports Time. More»

Figures raise concerns after positive trends

(NEWSER) - After declining in 1991-2005, the US teen birth rate climbed in 2006 and 2007, HealthDay News reports. Crunching numbers from 2002-07, the Centers for Disease Control found a number of trends had flatlined or worsened after a period of improvement.

• 2004 saw 745,000 pregnancies among females under 20, including 16,000 among girls 10 to 14 years old.
• One-third of adolescents had no birth-control education before age 18.

Task force calls for adolescent testing with focus on psychotherapy instead of drugs

(NEWSER) - A federal task force recommendation that all adolescents between the ages of 12 and 18 be screened for depression is causing controversy among parents and pediatricians, the Washington Post reports. Critics fear the amount of antidepressant drugs prescribed to teens will rise massively, although the Preventive Services Task Force stressed that screening only makes sense when specialized care such as therapy is available, instead of a one-size-fits-all drug approach. More»

Icy behavior cools body temperatures: study

(NEWSER) - Icy stares and chilly receptions can leave you feeling—well, cold. Metaphors about social behavior, like "warm welcome" and "cold shoulder," seem to relate to physical reality, new research finds. People who had experienced and recalled social rejection perceived a 5-degree temperature drop in the lab and experienced hot food cravings, the New York Times reports. More»