Obstetrics & gynaecology

Mothers of twins are not more fertile, just lucky

Are women who have twins more fertile? While previous studies concluded they are, a detailed analysis of more than 100,000 births from pre-industrial Europe by an international team of scientists shows they are not. The results ...

Diseases, Conditions, Syndromes

Social cohesion found to be key risk factor in early COVID infections

Social cohesion, normally associated with positive outcomes in physical and mental health, can be a liability during a pandemic, according to new research by the University of California, Irvine, and the University of Washington.

Sleep disorders

Women over 50 who snore face an elevated risk of sleep apnea

A new study from Tel Aviv University found that women aged 55 and over who snore are at increased risk for sleep apnea, which can be fatal. The researchers warn that, in most cases, because the phenomenon occurs during sleep, ...

Health

Asia and Africa have an aging burden similar to the West

In a study at Columbia University Mailman School of Public Health and the Robert N. Butler Columbia Aging Center researchers have devised a new metric, the "Health-Adjusted Dependency Ratio" (HADR) as an alternative to the ...

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