Around The Web With Amby

Great stuff to ponder on your next run. A wrap up of this week’s articles on exercise science as tweeted by Amby Burfoot, Editor at Large of Runner’s World Magazine.
You can follow Amby’s tweets at http://twitter.com/exerscience and his Runner’s World blogs at http://peakperformance.runnersworld.com and http://footloose.runnersworld.com.

» Growth hormone, especially with added testosterone, increases sprint performance but not endurance, strength or power. http://bit.ly/aZBK9M

» For athletes trying to lose weight without losing much muscle, a higher protein intake is helpful. http://bit.ly/cadD0b

» A “titanium-permeated garment” has no effect on running performance, but might help recovery. http://bit.ly/cD5UOG

» During exercise, 2.9% dehydration does not lead to any loss in brain volume. http://bit.ly/c1y1m6

» Meta-analysis shows that exercise reduces depression, even among those without clinical symptoms. http://bit.ly/a39FqF

» Twin study of 9-12 yr olds shows that exercise level depends much more on environment than on genetics. http://bit.ly/cS4i7j

» Long term anabolic steroid use associated with heart problems. http://bit.ly/9OOcKP

» The local barbershop is a great place to measure and promote healthy exercise habits among African American men. http://bit.ly/9sH6Dk

» After 25 yrs, Canadians getting fatter, less fit, less muscular, less flexible. Face adult health risks ahead. http://bit.ly/bxZRZg

» Recreational runners benefit more from maximal or explosive strength training than from circuit training. http://tinyurl.com/2vq4au9

» Recreational athletes don’t need sports bars and drinks, which “may negatively affect body weight.” http://bit.ly/cYMqNT

» In 25yr Brit study, “appreciable portion” of increase in diabetes due to growing BMI. Exercise might help fight diabetes. http://bit.ly/bij6k3

» Chronic loneliness or recent loneliness increases mortality risk. http://bit.ly/crKk4W

» In healthy adults, “any activity is beneficial, and more activity is better.” http://bit.ly/asKRuf

» Professional cycling has negative effect on bone density of young and middle-aged males. http://bit.ly/bOiOiR

» Fitness more strongly associated with decreased mortality than total exercise. http://bit.ly/bDLYc6

» In 91,000 adult Aussies, obesity rises with TV and computer screen time, even among exercisers. http://bit.ly/9Hw3tA

» Meta analysis shows that exercising breast cancer survivors live longer. http://bit.ly/aO51hA

» Total lifetime adult exercise, even quite moderate, lowers risk of endometrial cancer. Esp among those most at risk. http://bit.ly/99psRt

» Dynamic stretching beats static stretching pre-competition because it raises heart rate more and activates muscles better. http://bit.ly/bAgmao

» Weight loss isn’t about fruits and veggies. Just cut the sugary snacks and beverages, people. http://bit.ly/9S9qH1

» In controlled study, l-tryptophan supplement increases endurance performance of 21 young men on bicycle test. http://bit.ly/cnZEgW

» Neurosurgery is hard work: Pulse and blood pressure values can exceed those of vigorous exercise. http://bit.ly/98OGPf