The American College of Sports Medicine recommends that you see your physician before engaging in vigorous exercise if 2 or more of the following apply:

1-You are over 35
2-Family history of heart disease before age 60
3-You smoke or have quit smoking in the last 6 months
4-You don't normally exercise for at least 30 minutes, most days of the week
5-You are significantly overweight
6-You have high blood pressure or high cholesterol
7-You have type 1, type 2 or pre-diabetes