* "For the first time, scientists have coaxed the human brain into growing new nerve cells --- simply by putting subjects on a three-month aerobic-workout regimen." (Newsweek, March 27, 2007, p. 40)

* "Cardio has a mental focusing effect similar to that of ADD medications." (Men's Health, October 2005, p. 181)

* "A study published in Nature..., reporting that exercise increases production of a brain chemical called brain-derived neurotrophic factor (BDNF), which stimulates the growth of nerve cells in the brain and curbs the development of AlZheimer's disease..." (ACE Fitness Matters, January/February 1997, p. 4)