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29% of boys have a gun (basic)

Neurontin reduces social phobia

Stess hormone tied to depression in pregnant teens

Depression may shrink key brain structure

Againg alone does not affect memory loss (advanced)

Confidence can play a part in the effects of exercise (advanced)

Depression may lower sex hormones

Effective drug for treating chronic depression

Girls less confident in science than boys

Monkeys have numerical abilities (advanced)

Mother's depression impedes baby's development

Phobias deter chronically ill from seeking treatment

Thinking pattern of chronic self-doubters

Same parts of brain move eyes and shift attention

Video games used to unlock brain's secrets (advanced)

Sex differences in gray and white matter of brain

Stress increases chemical related to heart disease

Brain can "rewire" itself after stroke or injury

Genetics key factor in speech learning

Exercise helps women quit smoking

Professionals can catch liars

Prozac can reduce symptoms of panic disorder

Stress during youth predicts later hypertension

Zyprexa reduces symptoms of mania