Alzheimer's affects millions of Americans -- but it isn't a normal part of aging. Lisa Marshall saw every moment of her father's descent into the depths of dementia. She wrote about it in “The End of Alzheimer’s" and tells us about it in this episode. Also, listen in as Drs. Ayesha and Dean Sherzai explain what helps prevent dementia, based on research. Small things can make a big difference. Find more info about them at teamsherzai.com