Curcumin, a substance in turmeric, may reduce swelling and help ease symptoms of osteoarthritis and rheumatoid arthritis, like pain and inflammation. Learn more from experts at WebMD.
Knowledge center. Rapid eye movement sleep, or REM, is one of the five stages of sleep that most people experience nightly. It is characterized by quick, random movements of the eyes and paralysis of the muscles. The amount of time spent in REM sleep varies significantly with age; it normally makes up around 20-25% of an adult humans total time spent asleep (on average about 90-120 minutes), and about more than half of an infant's. 1.
Dry eye. When looking at something in the distance, your eyes automatically blink a certain number of times. However, blink rate slows down when you look at things that are closer to your face, Shugarman said, which means tears evaporate more quickly than when you were blinking more frequently.here's no research that shows constant technology use causes any permanent vision damage. But staring at bright screens for hours on end can lead to smaller-scale problems, said Dr. Richard Shugarman, a volunteer professor of ophthalmology at the Bascom Palmer Eye Institute at the University of Miami.