A new study shows, for the first time, that horses read and respond to human emotions by integrating the facial expressions with their tone of voice.

How much do you know about the clitoris? Why is it so often shrouded in mystery? Read this Spotlight to learn more about the female genital organ.

Dry indoor air is a common problem that can exacerbate respiratory symptoms, cause dry skin and hair, and even make snoring worse. In this article, learn how using a humidifier can help to alleviate these and other problems. We also describe the possible risks and how to use a humidifier safely.