Alzheimer's disease & dementia

Detecting Alzheimer's disease before symptoms emerge

Long before symptoms of Alzheimer's disease become apparent to patients and their families, biological changes are occurring within the brain. Amyloid plaques, which are clusters of protein fragments, along with tangles of ...

Psychology & Psychiatry

Antidepressants induce resilience and reverse susceptibility

When they work, antidepressant medications may take weeks or months to alleviate symptoms of depression. Progress in developing new and more effective antidepressant treatments has been limited, though a new study published ...

Psychology & Psychiatry

Study reveals areas of the brain impacted by PTSD

Researchers at Boston University School of Medicine (BUSM) and the VA Boston Healthcare System are one step closer to understanding the specific nature of brain changes associated with Posttraumatic Stress Disorder (PTSD).

Medical research

Epigenetic clock predicts life expectancy

UCLA geneticist Steve Horvath led a team of 65 scientists in seven countries to record age-related changes to human DNA, calculate biological age and estimate a person's lifespan. A higher biological age—regardless of chronological ...

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