Demography

Genetics

Ancestry tests affect race self-identification

A genetic ancestry test (GAT) can not only unearth deep family secrets, it also can change how people self-identify their race on surveys. A new study by Stanford sociologists delves into how such changes could affect data ...

Other

Americans are increasingly experiencing chronic pain

Americans are in chronic pain, and a comprehensive new study exploring trends in this major public health concern reveals that what has been a long-standing and under-acknowledged problem is getting substantially worse.

Obstetrics & gynaecology

Shift in birth timing tied to decline in birth weights

(HealthDay)—If rates of obstetric practices had not changed between 1990 and 2013 to include more cesarean deliveries and inductions, then the average U.S. birth weight likely would have increased over this time, according ...

Health

Working women healthier even after retirement age

In a new study, Jennifer Caputo, research scientist at the Max Planck Institute for Demographic Research, found that women who worked consistently during their prime midlife working years had better physical health than non-working ...

Health

Women who breastfeed for at least five months have more kids

Women who breastfeed their first child for five months or longer are more likely to have three or more children, and less likely to have only one child, than women who breastfeed for shorter durations or not at all.

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