People with Down syndrome have an extra chromosome that impacts their looks and their ability to think, learn, and reason. Discover the type, causes, and kinds of effects it can have.

Sketches offer glimpse into Neanderthals' lives in Gibraltar 03:57. A fossil of the inner ear of a six-year-old Neanderthal child that showed signs of Down syndrome seems to indicate that the ...

Down Syndrome: How often it occurs, signs to watch out for, couples chance of having a child with it, ... Most of children with downs syndrome falls within mild to moderate mental retardation.

Fetal alcohol syndrome (FAS) and Down syndrome are both conditions that are present at birth. While they both affect facial appearance, development, and physical health, they have different causes ...

The brains of people with Down syndrome develop the same neurodegenerative tangles and plaques associated with Alzheimer’s disease and frequently demonstrate signs of the neurodegenerative disorder in ...

Estimates suggest that 25% or more of individuals with Down syndrome over age 35 show the signs and symptoms of Alzheimer's-type dementia. The percentage increases with age.

The brains of people with Down syndrome develop the same neurodegenerative tangles and plaques associated with Alzheimer's disease and frequently demonstrate signs of the neurodegenerative ...