Psychology & Psychiatry

Smokers more than double their risk of burst aneurysm

Smoking more than 20 cigarettes a day doubles the risk of a potentially fatal brain bleed as a result of a burst aneurysm, finds research published online in the Journal of Neurology Neurosurgery and Psychiatry.

Psychology & Psychiatry

Stress shrank brain area of Japan tsunami survivors: study

Emotional stress caused by last year's tsunami caused a part of some survivors' brains to shrink, according to scientists in Japan who grasped a unique chance to study the neurological effects of trauma.

Medications

Researchers say step closer to meningitis B vaccine

Researchers said Monday they were a step closer to developing a vaccine against the type of meningitis that mostly affects Europe and North America and kills hundreds every year.

Addiction

Use of speed and ecstasy linked to teen depression

Secondary school-kids who use speed and ecstasy seem to be prone to subsequent depression, indicates research of almost 4000 teens published online in the Journal of Epidemiology and Community Health.

Neuroscience

Cosmetic chemical hinders brain development in tadpoles

Scientists, health officials, and manufacturers already know that a chemical preservative found in some products, including cosmetics, is harmful to people and animals in high concentrations, but a new Brown University study ...

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