Chris always stays extremely well-hydrated, and as a result of his extreme exercise regimen has only 2.8% body fat, which makes him very susceptible to illness due to a weakened immune system.
The whole thing might seem an extreme exercise in name-dropping.
That's why no one can issue a blanket statement that extreme exercise is safe.
Such an extreme exercise of the public will and the state's power demands a public witness.
And years of yo-yo dieting and extreme exercise hadn't helped him keep the weight off.
It's also why so many researchers have attempted to figure out how to make extreme exercise as safe as possible.
Anyone with a family history of sudden, unexplained deaths should seek expert medical advice before taking up extreme exercise.
But scientists are now using athletes like him to answer questions about the effects of extreme exercise on the heart.
During extreme exercise the quantity of oxygen remaining in venous blood decreases to 10 to 25 percent.
The question remains why some people can undertake extreme exercise and be fine, and others will suffer unexpected and sometimes fatal heart attacks and strokes.
That, it seems to me can be argued at least to be a more extreme exercise of judicial power than to strike — than striking the whole".
