An exercise physiologist explains what cardio exercise is, why it’s beneficial and how much of it you need to do to keep everything in shape, from your ticker to your toes.

Not sure what size tampon you should be using? An expert outlines the different options and how to pick the right one for your menstrual cycle.

Respiratory syncytial virus, or RSV, is a lung infection that’s highly contagious. But a vaccine recently approved by the FDA will soon be available for adults 60 or older. Here’s what to expect.