But Pfizer's lawsuits increase their risk.
Smokers should avoid products containing beta carotene, which may increase their risk of lung cancer.
When every penny counts, the people who can least afford to increase their risk often do.
Medical treatments typically require much larger doses, and many of the patients have other health problems that increase their risk.
By specializing in one sport, and playing 100 games a year, the girls may increase their risk of injury.
A large study of women in 2004 found that aspirin might actually increase their risk of pancreatic cancer.
What this study shows is that young people with blood pressure at the high end of the normal range increase their risk of heart damage 25 years later.
As a result, fall babies are at particular risk to contract a severe winter virus, which may in turn increase their risk for asthma.
Women needing contraception might be wise to avoid birth control pills and instead choose a method that would not increase their risk of clots.
But while men in both groups had higher rates of fibrillation than women, having diabetes did not in and of itself increase their risk.
And everyone over 50 is, by definition, at risk, along with younger people with hereditary or other conditions that increase their risk.
