An individual having a history of migraine headaches would most likely be diagnosed with common disorder of central nervous system. Migraines are severe headaches which could cause the individual a tremendous amount of pain that are caused by disturbing of vision or nausea.
I balanced life is doing a good job in school and putting in a good amount of work and time into school. Also, making sure you get a good amount of fitness and exercise to stay healthy.
The ability of a muscle to exert force is Endurance.