A couple hours a week of moderate activity allowed seniors with Alzheimer's who were living in a nursing home to boost stamina and better carry out everyday activities than those who did not receive a structured exercise program.

A new study finds that diabetes is also linked to an increased risk for mild cognitive impairment, a condition marked by difficulties in thinking and learning. In some people, mild cognitive impairment may be an "early," transitional form of Alzheimer's disease.

Men and women who develop Alzheimer's disease may show changes in the structures of their brains years before memory loss or other symptoms arise...

Researchers in Japan report that an experimental vaccine for Alzheimer's disease proved safe and effective in mice.

More than 5 million people in the United States are currently living with Alzheimer's disease, a 10 percent increase over previous estimates from five years ago.