Genetics

Lifestyle influences metabolism via DNA methylation

An unhealthy lifestyle leaves traces in the DNA. These may have specific effects on metabolism, causing organ damage or disease. Scientists of Helmholtz Zentrum München have now identified 28 DNA alterations associated with ...

Psychology & Psychiatry

Environmental factors behind depression in Sri Lanka

Depression is influenced more by environmental factors than genetic ones, said a study conducted in Sri Lanka—a country devastated by a long-running civil war (1983–2009) and the 2004 Indian Ocean Tsunami, resulting in ...

Pediatrics

What we don't know about prenatal opioid exposure

Pregnancy can be a time of anxious uncertainty, particularly if there are any risks of complications. The question always arises, from parents, grandparents, friends and others: "Will the baby be OK?"

Health

Oft-used DSM diagnosis of alcohol dependence shows reliability

Compared to other common psychiatric disorders, the diagnostic reliability of alcohol dependence (AD) as determined by the Diagnostic and Statistical Manual of Mental Disorders - Fourth Edition (DSM-IV) is relatively high. ...

Psychology & Psychiatry

Girls' perceptions drive sexual behavior

(Medical Xpress)—Genetic factors related to how sexually mature a girl thinks she is influence her sexual behavior, above and beyond her actual physical development, reports a new study.

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