View All. A bubbly, high-energy foodie who started her broadcast career while serving in the Air Force, Sunny Anderson lives up to her first name. She's become a favorite host of several shows on the Food Network, and has done it all while living with ulcerative colitis, one form of inflammatory bowel disease (IBD). Sunny's Culinary Influences
The causes of late-onset Alzheimer's are not yet completely understood, but they likely include a combination of genetic, environmental, and lifestyle factors that affect a person's risk for developing the disease. Researchers have not found a specific gene that directly causes the late-onset form of the disease.
Scientists believe that for most people, Alzheimer's disease is caused by a combination of genetic, lifestyle and environmental factors that affect the brain over time. Less than 5 percent of the time, Alzheimer's is caused by specific genetic changes that virtually guarantee a person will develop the disease. Although the causes of Alzheimer's aren't yet fully understood, its effect on the brain is clear. Alzheimer's disease damages and kills brain cells.