Sometimes there was no sign of violence or disease at all.

This is later seen as the first sign of Alzheimer's disease.

First, it could be the sign of underlying disease or health problem that needs treatment.

Memory loss is usually the first sign of Alzheimer's disease.

There is no sign of insects or disease, and I am giving it the same care as always.

"But remember, the people down on the planet's surface showed no sign of disease, either."

A physical exam is also done to check the body for general health and signs of disease.

"Growth failure may be the first and only sign of underlying disease in a child."

Sometimes this is the most obvious sign of Alzheimer's disease.

In that study, 2,000 patients with early signs of Alzheimer's disease were followed for two years.