Women's Worst Health Habits Revealed

I don't even have a doctor!

- Courtney Sweet, 26, Eugene, Oregon

Reality Check
She may feel great now, but Sweet needs to ward off future troubles with annual screens. Measuring your weight, cholesterol and blood pressure can remind you to eat well and exercise. Sexually active women also need a Pap test and an STD screening, says Leslie Miller, M.D., an ob/gyn in Seattle. In search of an M.D.? Get a reference from a pal.

I don't really floss that often.

- Michelle Whetton, 20, Brantford, Ontario

Reality Check
Flossers-come-lately allow bacteria to collect under their gums and between teeth, where their brushes can't reach. The buildup can lead to periodontitis, an infection linked to heart disease, says Sally Cram, D.D.S., a periodontist in Washington, D.C.

Too tired at day's end? Stash some in the shower and floss after your A.M. lather and rinse.

I BlackBerry 24/7, even at the wheel.

- Elizabeth Weisman, 31, Austin, Texas

Reality Check

Hands at 10 and 2, Elizabeth! Utilizing messaging devices while driving quadruples your risk of crashing, studies show. Keep your PDA on silent both when on the road or walking about; if you have to use it, pull over to the side, out of the way of auto and foot traffic, says Mark Melrose, M.D., an emergency-medicine physician in Montclair, New Jersey.