Because of Depression.
Also trauma – such as physical or sexual abuse, the death of a close family member or friend, or having a miscarriage. psychological causes – such as having repeated thoughts or voices telling them to self-harm, disassociating (losing touch with who they are and with their surroundings), or borderline personality disorder.
Answer:
calisthenics is the word you're looking for
Normally endurance means hanging in for a long amount of time. This means more reps and less sets. Therefore the answer would be C.
If my answer is useful please mark as brainliest!
It can happen with lung cancer but i dont think breast cancer though.
((hope this helps you ^^))