Unable to get the swine flu vaccine in her area, Demi Knight
Clark has been hoping exercise will help to keep her healthy
this winter. After working out on and off for several years,
Clark, 32, of Fort Mill, S.C., decided to commit to a regular
exercise program this summer to boost her health and ease work
stress. Since then, she’s been doing yoga, including power yoga,
about four days a week and Pilates on another two. Swine flu has
been going around her community, and when her two young children
came down with fevers and other flu-like symptoms last month, “I
flew right through it,” says Clark, who runs her own public
relations and marketing firm. In fact, since sticking with a
fitness routine, she’s never felt better. “I feel like I’ve got
a suit of armor on,” she says. Studies have concluded that
exercise can enhance the immune system, but is the effect great
enough to stave off swine flu? While researchers haven’t studied
exercise and swine flu specifically, they have explored whether
physical activity c