Helen Palmer

More from Helen Palmer

Life
A prescription of bottle of Ambien
Tim Boyle, Getty Images
Life
20060510 gsk getty56978177
Jeff J Mitchell/Getty Images
Life
Illustration of Schizophrenia's effect on the brain: While patients performed a working memory task, the less the prefrontal cortex (red) activated, the more dopamine increased in the striatum (green).
National Institutes of Health
Life
An AIDS vaccine being tested in Bangkok,Thailand
Paula Bronstein, Getty Images