Know your stroke risk factors and start addressing them to lower your chances now. In the United States and across the globe, the prevalence of stroke is rising among young adults, making it critical that everyone understand their risk factors and how that risk can be lowered or, in many cases, prevented. Anyone can take steps now that will begin to lower their risk, which include — according to the Office of Disease Prevention and Health Promotion — quitting smoking, managing blood pressure, keeping bo...