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Large Study Reveals PTSD Has Strong Genetic Component Like Other Psychiatric Disorders

Post-traumatic stress disorder (PTSD) is one of the most common psychiatric disorders, affecting some 8 million adults at some point in their lifetime in the United States. Despite this, it is not clear why only some people who experience a traumatic event develop PTSD. Some researchers have suggested that the disorder is only a social construct, but previous studies have hinted that genetics plays a role. A new study identifies a clear biological basis for PTSD.

New Diagnostic Criteria May Enable Earlier Detection of Cognitive Impairment in Women

Women make up two-thirds of patients with Alzheimer’s disease — so why is it that women are less likely than men to be diagnosed with its precursor, amnestic mild cognitive impairment (aMCI)? This was the question guiding a new study by University of California San Diego School of Medicine researchers studying how the life-long female advantage in verbal memory performance might be masking early symptoms of dementia in women.

Needle-Free Flu Vaccine Patch Effective in Early Study

A new needle-free flu vaccine patch revved up the immune system much like a traditional flu shot without any negative side effects, according to a study published in the Journal of Investigative Dermatology. Though the research is in the early stages (the patch hasn’t been tested in humans), it’s an important step toward a technology that could replace needle-based vaccination methods that require administration by health care workers and biohazard waste removal.

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