Which disease has affected 1/3 of the worlds population

You can literally find this on google of each science career and search up what type of training you need and how many years in school

Whats important is to eat healthy food to prevent heart disease. another why not to get heart disease is to always exercise in a timely manner. lastly, always stay active and go to the doctor for checkups just in case.

How how am i supposed to know

Cardiorespiratory fitness is vital to lifetime fitness as it has the ability to deliver proper nutrients like oxygen to the different organs of the body and it also removing waste products every prolong physical exercise. a happy heart also does reduces the risk of many diseases which is the answer.