Exercise helps every part of your body, including your hair. I don't think it will have any visible effect on it. It is probably good for it though as you increase your circulation and it might help the blood deliver more nutrients to your hair root, but again you won't see a drastic difference. No, unfortunatley.
Gangliosidosis is a rare type of lipidosis, or lipid storage disorder, in which the lipids affected are the gangliosides. Lipid storage disorders are hereditary disorders in which harmful amounts of lipids, or fats, accumulate in body tissues and cells. Gangliosides are lipids located on the surface of cells.
Tay-Sachs disease is a gangliosidosis characterised by: An exaggerated startle response. Delay in psychomotor development. Hypotonia (followed by spasticity) Visual loss. A macular cherry-red spot. Pathogenesis. Tay-Sachs disease (and its variants) are caused by absence or defects of the alpha subunit of hexosaminidase A.