Stay safe during physical activity Physical activity has many benefits for your health. But staying safe during physical activity is just as important for your health. Start slow if you have not been physically active for a while. This will help you stick with it and avoid injury. Should I talk to my doctor before starting a physical activity program? Maybe. Most healthy women do not need to talk to their doctor or nurse before becoming active. But if you have health concerns or have not worked out in a while, it is a good idea to talk to a doctor or nurse about the types of physical activity that are right for you. This is especially important if you: Have or are at high risk of heart disease Have had or are at high risk of a stroke Have or are at high risk of diabetes Have obesity ( body mass index of 30 or greater) Have an injury Are pregnant Are women more at risk than men are for injuries during physical activity? Yes and no. Both women and men are at risk for injuries dur