Hereditary Diseases are passed on from one generation to another through defective genes. These diseases are transmitted in the same family. The chromosomes in the humans are responsible for passing the traits from the parent to the offspring.
Hope this help
Hmm I don't know in what way you're referring to, but something called yo-yo dieting<span> or the </span>yo-yo<span> effect might be what you're looking for. It's when someone looses weight and then regains it back.
Hoping I helped!</span>
D you just get clumsy you don't lose the ability to move