Is the study of how genes determine our nutritional requirements
Nutrigenomics
A few things one it depends on the gender of a person using it, this can lead to a hormone imbalance in the person.
When exercising you should take in deep breaths, to make sure you that you won't get chest pain. Believe in numbers when exercising. Do reps, for example squats do 15 next time do 25 the next do 30 then 45 and so on. start slow don't go to fast or your muscles will tighten. relax and after do some stretching. Drink water when exercising take little breaks during those times you may drink water then get back into exercising. You also need to replenish, so eat a salad or eat chicken breast with brown rice and spinach. (Remember to cook the chicken breast though, there might be some good recipes with chicken breast to help you out) Hopefully this helped you in some ways.
Answer:
A and C are both long term challenges, I'm pretty sure it's A.
Explanation:
Personal experience, I have arthritis and it's a long term challenge.
B. tolerance, dependence, addiction