American Journal of Epidemiology

Health

Hair relaxer use may affect ability to conceive

A first-of-its-kind study showed that use of chemical hair straighteners was associated with a slight reduction in the likelihood of pregnancy, and that Black and Hispanic individuals were more likely than other racial and ...

Diseases, Conditions, Syndromes

Study finds wastewater testing works for most infectious diseases

Wastewater surveillance of infectious diseases is expected work for just about every infectious disease that affects humans, including monkeypox and polio. But more research is needed to apply the science for public health ...

Medications

Hepatitis C drugs may reduce PTSD symptoms

More than 6 percent of Americans will develop posttraumatic stress disorder (PTSD) in their lifetime. This potentially chronic condition disrupts lives, and can lead to or exacerbate existing health issues such as depression, ...

Medical economics

Persistent low wages linked to faster memory decline in later life

Sustained low wages are associated with significantly faster memory decline, according to a new study by Columbia University Mailman School of Public Health. While low-wage jobs have been associated with health outcomes such ...

Psychology & Psychiatry

Hard to change minds when it comes to vaccine willingness

In the fall of 2020, before vaccines were readily available, the Canadian Longitudinal Study on Aging (CLSA) surveyed nearly 24,000 middle-aged and older adults to test their willingness to get vaccinated. The new study from ...

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