I would say endurance.Sorry if wrong
Answer: Amyotrophic lateral sclerosis (Lou Gehrig disease)
Explanation: Amyotrophic lateral sclerosis (Lou Gehrig disease) targets upper and lower motor neurons (cranial nerves and spinal cord) and results in neuronal cell death and progressive loss of motor function. Patients usually have lower extremity weakness that progresses to complete paralysis over the course of years.
Umm no its an 50/50 for both girl and boy it all depents if your having a lot of sexx with a lot of people !