Articles by Russell McLendon
Your pupils quickly dilate when you enter a dark room, letting in more light to help you see. Once you're in brighter conditions, they contract accordingly.
This reflex is well-known, but pupil dilaοΏ½...
We all get old eventually if we're lucky, but not always at the same rate.
While everyone's chronological age advances uniformly, biological age can vary depending on factors such as genes, the air οΏ½...
Defeating obesity is rarely easy. For many people, even successful weight loss is followed by a prolonged struggle to prevent the weight from coming back.
Obesity relapse is common, and research indοΏ½...
Naps can be amazing. They can rejuvenate you in a variety of ways, such as boosting alertness, reaction time, memory, and problem-solving.
Short naps might offset some of the damage wrought by sleepοΏ½...
Pregnancy loss remains common around the world. About 15 percent of known pregnancies end in miscarriage, although the true number is likely much higher, since many pregnancies are lost before they aοΏ½...
Tuberculosis has plagued humanity for thousands of years, and despite medical advances that can now help us prevent and cure it, the ancient bacterial disease still claims more human lives per year tοΏ½...
Dangerous bacteria and other disease-causing microbes are rapidly evolving ways to defy our best antibiotic medications, a phenomenon known as antimicrobial resistance. Humans are inadvertently contrοΏ½...
