Fluctuations in your energy levels could serve as an early indicator of a vitamin C deficiency. In fact, one of the earliest signs of vitamin C deficiency is persistent fatigue and general weakness.
Los Angeles Chargers coach Jim Harbaugh gave an impromptu lesson on the cardiovascular system Thursday when he was asked about his team playing in cold weather.
“Bottom line is these guys are young, they’re healthy. Their heart pumps warm blood. It pumps it from the arteries to the veins to the tributaries to the capillaries and throughout their whole body.
Scientists measure Rudolphs stress with thermal cameras ahead of Christmas Researchers explore techniques for monitoring reindeer stress as the festive season nears ...