not and are perfectly well. Secondly, in the rare cases of symptomatic HD in young people the problems they face include chorea (twitching movements), dystonia (stiff twisting muscles), port balance, stiffness and slowness, anxiety and depression, memory loss and epilepsy. Not all of these problems occur in each young person with HD. Many of these problems respond to medicines and so it is possible to help the person. The exact medicine(s) given depends on the problem. That is, different young people with HD will be on different medicines depending on their specific problems. HD is a progressive disease and so when it appears it will get worse, even with treatment. However, it is still possible to help people even when they're very sick. This is a difficult problem to answer over the net. Many of the symptoms you list are found in HD, but none are specific and all can occur in a wide variety of disorders. Firstly, is there a family history of HD, even though your parents don't have HD? If there is no family history then HD is unlikely. If there is a family history of HD then the condition is possible, but very rare at the age of 17. To be absolutely sure the best thing is to see a specialist & preferably one with an interest in HD. The best thing to do here is to get your GP (family doctor) to refer you to a neurologist for a check up. Your local HD association