Acanthamoeba keratitis is a rare but blinding parasitic eye disease. Experts share how to avoid it and treat it.

Abstract: The pupillary light reflex (PLR), an important physiological response for assessing the health of the nervous system, is widely used in clinical settings to monitor brain disorders, ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...