Fairly obvious, but the answer is A. Overloading your muscles too often
It is an example of behavior boundaries,
a vasectomy, as a male that is his only option to ensure that he can't get any women pregnant
If people continue to use 2 inch waist models and photoshopped skin society and the general public begins to believe its coherent to be perfect and we start to lose sight in real beauty standards. healthy bodies can have fat and scars and moles and still be healthy. maybe if people in advertisement were straightforward anout health concerns public would be healthier!
Could be many depending on the location but malaria would be one