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.
Dementia causes. Dementias can be caused by brain cell death, and neurodegenerative disease - progressive brain cell death that happens over time - is associated with most dementias. However it is not known if the dementia causes the brain cell death, or the brain cell death causes the dementia. But, as well as progressive brain cell death, like that seen in Alzheimer's disease, dementia can be caused by a head injury, a stroke, or a brain tumor, among other causes.