Write the next sentence in this paragraph:

How to exercise safely when you have angina
Talk to your doctor.
Before starting any type of exercise program when you have chronic angina, talk to you doctor. They will be able to give you the clearance to exercise and also give you safety tips.
Before starting to exercise, ask your doctor if regular physical activity is safe and appropriate for you. Although exercise can help improve angina in many patients, this isn't true for everyone.