Psychology & Psychiatry

New study estimates over 5.5 million US adults use hallucinogens

Hallucinogen use has increased since 2015, overall and particularly among adults 26 and older, while use decreased in adolescents aged 12–17 years according to a new study by Columbia University Mailman School of Public ...

Diseases, Conditions, Syndromes

New test may predict COVID immunity

Most people in the United States have some degree of immune protection against COVID-19, either from vaccination, infection, or a combination of the two. But, just how much protection does any individual person have?

Gerontology & Geriatrics

Weak handgrip strength may signal serious health issues

Muscle strength is a powerful predictor of mortality that can quickly and inexpensively be assessed by measuring handgrip strength. In a new study, researchers developed cut-off points that apply to the general population, ...

Health

Moderate drinking linked to brain changes and cognitive decline

Consumption of seven or more units of alcohol per week is associated with higher iron levels in the brain, according to a study of almost 21,000 people publishing July 14 in the open access journal PLOS Medicine. Iron accumulation ...

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