Author: Karen Weintraub, USA TODAY

A variety of factors, such as low COVID-19 vaccination rates and Americans’ general poor health, is behind the life expectancy drop, experts say.

A growing, but still incomplete body of research suggests the cannabis plant, the source of marijuana, can help fight some kinds of pain.

Why is everyone getting a cold or the flu? Experts say it’s a combination of factors, including the pandemic, masking and other virus patterns.

Pinpointing the incidence rate of Parkinson’s disease can help bring more funding and research, experts say.

To better understand America’s pain problem and what to do about it, USA TODAY spoke with more than 50 pain experts and people with chronic pain.

A Harvard study finds NFL players age a decade faster than the general population and are suffering young from arthritis and high blood pressure.

New anti-obesity medicines like Wegovy promise dramatic weight loss, but there’s a long way to go to make them accessible to those who need them.

Cases of the disease formerly known as monkeypox are down as the Biden administration declares an end to the public health emergency.

Colonoscopy is recommended for people over 45, but preparation turns off many. Here’s a look at how it compares to stool tests FIT and Cologuard.