Photo Credit: Getty Images You know you should exercise to lower
your risk for heart disease, but you’re already crunched for
time. Which exercise should you choose and how can you get the
best benefits out of it? Start by checking in with your doctor
to make sure it’s safe for you to embark on an exercise program
and then consider these top performers: 1. Walking is easy,
convenient, and boy is it effective. In one large study,
researchers at the Harvard School of Public Health found that
walking half an hour a day cut the overall risk of heart disease
by 18 percent. In a study of the benefits of walking for people
with diabetes, the Centers for Disease Control and Prevention,
found that just two hours of walking per week can reduce the
risk of death from heart disease by 34 percent. 2. Running can
be even more effective than walking if you can do it safely. In
the Harvard study, people who ran at least one hour per week cut
their risks of heart disease by 42 percent. High intensity
aerobic exercise, such as