Archive: 10/14/2013

How the gut gets its villi

Villi are small epithelial protrusions that serve to increase the surface area of the gut for efficient nutrient absorption. The mechanism of their formation during development was recently revealed by a study published in ...

Oct 14, 2013
popularity 5 / 5 (1) | comments 0

Why does maximum heart rate drop with age?

Researchers at the University of Colorado have new insight into the age-old question of why maximum heart rate (maxHR) decreases with age. This decrease in maxHR not only limits the performance of aging athletes but it is ...

Oct 14, 2013
popularity 4.8 / 5 (11) | comments 1 | with audio podcast