Expend more than 3500 cals/wk in exercise and risk your life!

I just took a real age test at www.realage.com

Anyway in my report I got back the Section titled "Fitness" said the following...
"Working out too much could cause injury and oxidative damage."

"Recommended for maximum Age Reduction benefits, which is 1,000 to 3,500 calories each week"

I knew over exercising could lead to injury but I did not know that it could also lead to oxidative damage! Oxidation, is the damage caused to cellular constituents such as DNA, proteins and lipids by reactive oxygen species (ROS) and free radicals. Accumulation of such damage can result in progressive destruction of cells and tissues. Oxidative damage is believed to be the root cause of many diseases including cancer, heart disease and aging

So scary - too much exercise could lead to cancer!!

I did some further digging on the net and found many references to...
"A famous study of 17,000 Harvard alumni showed that those who exercised over 3,500 kilocalories a week had a slight increase in death rate as compared to the control group. Researchers postulate that over-exercise leads to an increase in cellular oxidation. This in turn leads to increased free radical formation, some of which can lead to cellular mutation and cancer."

Scary stuff!

This is the first I've heard anything about an actual maximum calorie burn in exercise per week. My plan is to start adding up my weekly exercise calories and make sure I'm not over doing it!!

By the way - the realage test is lots of fun! I found out I'm REALLY a 23 yr old stuck in a 31 yr old body!

Sun. Jan 29, 1:14am

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