SF State study compares athlete and truck driver, identical twins

(San Francisco State University) Identical twins share over 99 percent of the same genetic material, which can make them ideal subjects for studying how other factors besides genetics can affect health. A new study by the San Francisco State University Kinesiology Department, CSU Fullerton, and Cal Poly, Pomona finds that 30 years of strenuous exercise made one twin much healthier than the other, with one exception.