Pharmacological studies have attempted and failed for past decades to generate medicines that might halt the course of the illness. Now, experts claim to have reached a tipping point in Alzheimer's development.

The cause of Alzheimer’s was supposedly simple.

Alzheimer’s treatments seemed unlikely just a few months ago.

A week ago, Brigham and Women's Hospital announced it would spearhead the first human trial of a nasal spray vaccine as a protection against Alzheimer's disease, formulated to prevent or delay the progression of the disease.

Last week, Brigham and Women's Hospital announced that it would pioneer a trial using a spray drug for Alzheimer's disease.

Alzheimer's treatments were not considered likely just months ago.

Alzheimer's treatments seemed like an unlikely prospect just months ago.

A recently approved medication for Alzheimer’s disease is making headlines because of its price tag. It costs $56,000 a year.