(Prostock-Studio/iStock via Getty Images) Lea en español After nearly three years of nearly nonstop talking…

Heart attack and cardiac arrest survivor Vonnie Gaither. (Photo courtesy of Vonnie Gaither) Vonnie Gaither…

Illustration of the hepatitis C virus. (Kateryna Kon/Science Photo Library via Getty Images) As people…

(kimberrywood/iStock via Getty Images) Poor sleep quality – including moving around too much or having…

Cardiac arrest survivor Sarah Taffet. (Photo courtesy of Makenzie McGrath) In her second game of…

(SCIEPRO/Science Photo Library via Getty Images) People who got COVID-19 had a higher risk of…

(eclipse_images/E+ via Getty Images) Fewer than 30% of older adults who need more intensive treatment…

Stroke survivor Jose Rosales Campos (center) with two of his daughters, Alejandra (left) and Adriana….

(Popmarleo/iStock via Getty Images) Breathing polluted air may trigger irregular heart rhythms in otherwise healthy…

(Suze777/iStock via Getty Images) After having a heart attack, people with autoimmune disease are more…