Exercise though seems to slow or reverse the brain’s physical decay, much as it does with muscles. Although scientists thought until recently that humans were born with a certain number of brain cells and would never generate more, they now know better.
If walking, jogging, and bicycling can help my cognitive faculties in my golden years, then I need to get new headbands. What I need to find out is how exercise affects my seasonal allergies. It seems with every new spring my reaction to trees blooming get worse. There is such a thing as exercise-induced anaphylaxis, but I've never noticed rashes or bouts of nausea after I work out.
Physical activity is said to improve one's immune response but I have to maintain some type of constant exercise regimen early next year to conduct my own Laredo pollen case study.