The 7 deadly fashion, style, and grooming choices that could be the last mistakes you ever make
Questionable dress and behavior choices can evoke ridicule from women, friends, and coworkers—but those calls may actually be harming your health.
LIGHTING UP OR CHEWING TOBACCO
Why It's Not So Cool: Anything that causes you to spit, hack, or show yellowing teeth in public isn't going to help your image.
The Health Risk: You're kidding, right? Well, experts say that, in addition to the whole cancer thing, tobacco can damage and even kill your sperm. "The culprit is nicotine," explains Ashok Argarwal. "Smoking excessively can result in a large number of white blood cells in semen. They are known to produce free radicals, which can result in damage to the sperm membranes and cell molecules." There is hope—stop the habit and the damage can reverse itself, as sperm production is a continuous process. As is, coincidentally, the evolution of your personal style.