Tay-Sachs Disease is a genetic disorder that causes fatty proteins to build up in the brain causing the infant to suffer loss of sight, movement and mental development. This happens because the child is missing a very important enzyme that breaks down these proteins allowing the child to develop normally. This enzyme is called Hexosaminidase A (Hex A). A child with Tay-Sachs disease usually begins having symptoms in infancy and will frequently die by age five.
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