Depends on age: This is a rare genetic condition that has several different presentations. Infants who begin with symptoms early in life often do have a shortened lifespan. Adult onset is not considered as lethal. http://ghr.nlm.nih.gov/condition/tay-sachs-disease http://taysachsdisease16.blogspot.com/2011/11/what-is-life-expectancy-of-someone-with.html
Answered 7/1/2018
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