Is it bad to exercise at your maximum heart rate?

Related questions

1. What is Spotify canvas?
2. How do you know the BPM of a song?
3. Do you have to pay to put music on Spotify?
4. What happens if your heart rate is too high?
5. How do you lower your pulse fast?
6. How much does Spotify for artists cost?
7. What is a good resting heart rate for my age?
8. When should I be worried about heart palpitations?
9. What is normalize volume in Spotify?
10. Is it better to exercise in the morning or night?

Tags

1. #running
2. #measurement
3. #percent
4. #heart
5. #exercise
6. #cardio
7. #while
8. #calculate
9. #during
10. #working
11. #should
12. #train
13. #increases
14. #subtract
15. #maximum