Horsham ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Pennsylvania. See peer rankings below. The primary coordinate point for Horsham is located at latitude 40.1825 and longitude -75.1387 in Montgomery County.
1 Alzheimer's disease is a progressive, degenerative disorder that attacks the brain's nerve cells, or neurons, resulting in loss of memory, thinking and language skills, and behavioral changes.
Medical Definition of Alzheimer's disease. Alzheimer's disease: A progressive degenerative disease of the brain that leads to dementia. On a cellular level, Alzheimer's disease is characterized by the finding of unusual helical protein filaments in nerve cells of the brain. These twisted filaments are called neurofibrillary tangles.