It is a progressive brain disease.it occurs due to a defect in Genes.but symptoms start at usually between 30-50yrs age.associted with movement disorder, emotional disturbance & memory loss.
If Mr.Ton get sick while hunting, We call this disease that “huntington”
This disease is produced by the defficiency in The neurotrasmitter GABA, and it could be confused by alzahimer, in this disease the patient does choreic movements like "It's dancing" and those movements stop when the patient is sleeping. The difference between alzahimer and the hungtington is that the hungtington comes from the mutation of The hungtington proteín which is localized in The 3 or 4 chromosome (I dont remember very well but It's kind of in those places) AND it start later in life like around 30s or 40s
Something else is that it produces a loss in neurons from the caudalate nucleus and the putamen