Neuroinflammation may be a key player in the pathological brain changes produced as a result of chronic opioid use. Microglia is likely responsible for the majority of the changes.
A new study reveals sex differences in the way those with alcohol use disorder process facial emotions. Men with AUD showed greater activation in frontal brain areas when processing facial emotions. The increased activation was not seen in women with AUD.
Those who report feeling consistently lonely and socially isolated between the ages of 45 and 64 have an increased risk of developing dementia later in life. However, the risk can be reversed if people embark on activities to expand their social lives and become less lonely.
An estimated 13.6% of deaths in the U.S could be attributed to dementia. The number is 2.7 times higher than the official reported dementia-related deaths. The underestimation varies greatly by race, with 7.1 times more older Black adults, and 4.1 times more Hispanic adults, dying from dementia that public records indicate.
Persistent obesity from young adulthood to middle age is linked to an increased risk of mortality. The risk is reduced if people lose weight from being obese to overweight between early adulthood and middle age.
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Combining brain imaging data with a new machine learning algorithm, researchers can accurately predict the risk and determine a diagnosis for Alzheimer's disease.
Over time, Victoria's Secret fashion models have become thinner with smaller busts, waists, hips, and dress size while their waist-to-hip ratio has remained constant. However, the average woman's waist and dress size have increased.
Yoga intervention reduces symptoms of depression and anxiety while increasing feelings of positivity.
Closer social relationships in childhood and being raised by a family with higher socioeconomic status was linked to people being more optimistic during midlife and increased chances of living to an older age. Those who were more disadvantaged growing up and experienced psychosocial stressors tended to experience more stressful events during midlife and had an increased risk of early death.
Men with alcohol use disorder have diminished brain activity in areas associated with emotional processing, memory and social processing, compared to women with AUD. The findings may lead to gender-specific treatments to help relieve addition to alcohol.
Light physical activity has positive benefits for brain health as we age. Spending an hour participating in light intensity physical activity was associated with the equivalent of 1.1 years less brain aging. Every additional hour spent exercising was linked to higher brain volume.