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.

» Men have more sex interest than women.Duh. Both groups have extra 3-7 yrs active sex if in good fitness, health. http://bit.ly/aNyBj9

» WSJournal reports study linking fitness with 2x chance to reach age 85. http://bit.ly/bUIKOO

» In mouse study, “beneficial effects of exercise on brain plasticity continue to evolve even after exercise has ended.” http://bit.ly/cmITte

» Each individual workout reduces triglycerides, so many have incremental effect reducing heart risks. Women only study. http://bit.ly/9pNtnY

» If you force monkeys to run 2 mi/day on treadmill for 5 months, they get smarter. But they lose it after 3 months rest. http://bit.ly/dp7VWc

» In an 80degreeF time trial of 12K trail runs, 4.5% dehydration slowed performance, increased HR and temp, more than 2%. http://bit.ly/bpMHbh

» Overeating and under-exercising paradoxically leads to “lack of energy.” http://bit.ly/d4RnCG

» In EPO blood doping, sub-max doping produces greatest endurance benefit (because max doping thickens blood too much.) http://bit.ly/bOXYUJ

» In large Japanese sample, physical activity is inversely associated with cardiovacular deaths. http://bit.ly/8Y8aMf

» Patients suffering from chronic fatigue syndrome tend to have low levels of Vit. D in blood. http://bit.ly/bLNlcd

» 13 yr followup study of large group of women shows that moderate alcohol drinkers gain less weight than non drinkers. http://bit.ly/a0E51W

» Physical training has major positive benefits even among frail, 84 yr old women. http://bit.ly/dlkLRi

» Fitness improves health and decreases disability in 9 yr followup of national sample. http://bit.ly/9hs79P

» Everything related to caffeine and performance, from the Int. Society of Sports Nutrition. http://bit.ly/bVrGPD

» High consumption of processed meats linked to increased diabetes risk, probably due to high salt content. http://bit.ly/bkQAIJ

» In a sports drink, replacing some carbs with protein might have small but negative performance outcome. http://bit.ly/betGSi

» Simple health sign increases use of stairs, not elevator, by 8 to 18% in mall and train station. http://bit.ly/9rCOh0

» In older women, not men, weak quadriceps is associated with increased knee joint space narrowing. http://bit.ly/9Y1nRU

» Annual total health care of overweight + obesity in Australia is $21 billion. U.S. is 15x bigger by population. http://bit.ly/9SXgkj

» Weird science: Only lunchtime coffee associated with lower risk of diabetes. http://bit.ly/bEkUrG, http://bit.ly/avWz1n

» Walking with shorter strides increases calorie burn but doesn’t decrease foot and leg forces. http://bit.ly/caSg65

» Strenuous exercise early in life ups ovarian cancer risk in later life. However, midlife recreational exercise lowers risk. http://bit.ly/cgTCyk

» Obama’s physical: Low heart rate, blood pressure, and CRP. But total cholesterol over 200 and climbing, as HDL drops. http://bit.ly/csnlSU

» Beta-alanine supplement boosts carnosine in muscle, which improves high-intensity exercise performance. http://bit.ly/dk4Vdb

» Ibuprofen after exercise increases bone mineral adaptation. Before exercise has opposite effect. http://bit.ly/aDg6mZ

» Young, world class rowers do 95 percent of their training at low intensity. Go higher intens only when peaking. http://bit.ly/bFOeW7

» For fast (4:00/mile pace) rearfoot strikers, training shoes offer more protection than race flats or spikes. http://bit.ly/ba2FMF