Pretty sure it’s the pituitary gland.
The answer in the space provided is anemia. It is because anemia would likely cause other people who has a type of anemia experience a craving of iron or other objects as these are symptoms associated with it. That is why the person who has iron object cravings are needed to be tested if they have some sort of anemia, in order to identify what causes him or her to do it.
Tolerance can in fact cause an overdose, because the greater tolerance you can get the more of a certain substance your body will need eventually leading your body to take more than it can handle leading to overdose and death.
Answer:
I don't think it is possible.
Explanation:
You can loose weight by not consuming anything (not receiving proper nutrition) and it can be damaging to the body. Also without the proper nutrients is would be hard to maintain fitness because you would lack energy and could get more cramps.
Starving (another way not to get nutrition) to lose weight makes your body more likely, in the long run, to replenish fat. It uses the new basal metabolic rate from starvation mode. Lean individuals were more likely to gain more fat after starvation