Home about shands for healthcare professionals newsroom shandsconnect index search: find a doctor health information for patients & public hospitals giving careers clinical trials find a doctor medical services outpatient programs & services referrals & appointments multimedia health encyclopedia in-depth reports symptom checker complementary and alternative medicine risk assessments & tools shands healthcast admissions & registration event calendar register for an event frequently asked questions growth & expansion joint notice of privacy practices make a gift maps & directions multimedia health encyclopedia online payments patient information pharmacies quality & patient safety request an appointment send a patient a message special programs volunteer shands at the university of florida shands cancer hospital shands children's hospital shands rehab hospital shands vista physicians' practices (doctor's offices) shands jacksonville shands lake shore shands starke shands live oak be a shands nurse our new website is launching june 4 -- click here to learn more. viagra side effects muscle pain • encyclopedia home • diseases a-z read more • metabolism • spasticity more features • printer-friendly version â  tay-sachs disease definition tay-sachs disease is a deadly disease of the nervous system passed down through families. viagra for sale Causes tay-sachs disease occurs when the body lacks hexosaminidase a, a protein that helps break down a chemical found in nerve tissue called gangliosides. jake gyllenhaal viagra salesman Without this protein, gangliosides, particularly ganglioside gm2, build up in cells, especially nerve cells in the brain. viagra side effects muscle pain Tay-sachs disease is caused by a defective gene on chromosome 15. viagra no prescription When both parents carry the defective tay-sachs gene, a child has a 25% chance of developing the disease. viagra ad youtube The child must receive two copies of the defective gene -- one from each parent -- in order to become sick. online viagra canada no prescription If only one parent passes the defective gene to the child, the child is called a carrier. viagra side effects muscle pain He or she won't be sick, but will have the potential to pass the disease to his or her own children. buy generic viagra Anyone can be a carrier of tay-sachs, but the disease is most common among the ashkenazi jewish population. cheap generic viagra online About 1 in every 27 members of the ashkenazi jewish population carries the tay-sachs. viagra canada generic viagra online You need to install Flash Plug-in in order to view Flash content on this website correctly. Click Here to install Flash Plug-in.   Power by A4DeskPro Website Builder