In Gaucher Disease Types 2 and 3 the brain and spinal cord are affected. Type 3 is rare and affects fewer than 1 in 100,000 people. The brain and spinal cord symptoms in Type 3 are less severe than in Type 2 Gaucher disease where children rarely survive beyond two years of age. The symptoms of the brain and spinal cord appear in early to late childhood, and patients with Type 3 Gaucher disease live often, but not always, well into adulthood.