Parkinson's & Movement disorders

Low levels of manganese in welding fumes cause neurological problems

Welders exposed to airborne manganese at estimated levels below federal occupational safety standards exhibit neurological problems similar to Parkinson's disease, according to new research at Washington University School ...

Psychology & Psychiatry

Twenty-five-point drop in IQ caused by lack of gene copy

No autism is alike. This is also true of most mental disorders. "We now understand that each gene mutation has a specific effect, which adds to other effects to draw a unique picture of the disease in each patient," said ...

Health

Earlier menopause linked to everyday chemical exposures

Women whose bodies have high levels of chemicals found in plastics, personal-care products, common household items and the environment experience menopause two to four years earlier than women with lower levels of these chemicals, ...

Alzheimer's disease & dementia

Higher dementia risk linked to more use of common drugs

A large study links a significantly increased risk for developing dementia, including Alzheimer's disease, to taking commonly used medications with anticholinergic effects at higher doses or for a longer time. Many older ...

Psychology & Psychiatry

New genetic variants associated with coffee drinking

A new, large-scale study has identified six new genetic variants associated with habitual coffee drinking. The genome-wide meta-analysis, led by Harvard School of Public Health and Brigham and Women's Hospital researchers, ...

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