Why is "no pain, no gain" an exercise myth?

a. Pain is your body's way of saying something is wrong
b. Pain will stop weight loss from occurring
c. Pain proves that weight loss is occurring in that region
d. Pain only occurs when fat is turning into muscle

a. Pain is your body's way of saying something is wrong

This statement is true because pain during exercise can be a sign of injury or strain, and should not be ignored or pushed through in order to see progress. It is important to listen to your body and modify your exercise routine as needed to prevent injury.