Tag: Cycle

Mouse and human skin cells produce melanin on a 48-hour cycle

Researchers have discovered that mouse skin and skin cells from humans produce pigmentation in response to sunlight on a 48-hour cycle. They observed that exposing skin to ultraviolet light every 2 days yielded darker pigmentation with less radiation damage than daily exposure. The findings appear October 25 in the journal Molecular Cell. “The damaging effects

Cycle smartly

(HealthDay)—Bicycling outdoors can feel more like fun than the high-quality aerobic activity it is. And while you may be tempted to dust off your old two-wheeler, you might want to consider a new one. Innovations include step-through bikes with a low, or no, top tube (cross bar), high-rise handlebars for better posture, wider tires for