NEW YORK (Reuters Health) - Regular aerobic exercise can not only stave off the decline in brain function that often comes with age, it can also help turn back the clock on brain aging, two experts in the field report, based on a critical review of published studies.
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For example, in a 6-month study Kramer and colleagues conducted, adults ages 60 to 75 who walked briskly for 45 minutes a day three days a week not only improved their aerobic fitness but also their mental fitness -- particularly their ability to perform executive function tasks - compared with a control group who engaged only in non-aerobic stretching and toning exercises.
Maybe that's why my classes are getting "easier" (relatively, anyway)...I run a lot. Then again, it may be that after a run, I've destressed enough to focus on studying.
Life is like a roller coaster, with lots of ups and downs, but the curves, spirals, loops and corkscrews are what make life interesting.
Then again, it may be that after a run, I've destressed enough to focus on studying. 
