Diet plays an important role in a variety of diseases - including Alzheimer's disease - the most common form of senile dementia - a disease that progressively destroys a person's memory and ability to communicate with others. Currently, five million people live with this devastating neurological disease, and estimates are that the number will double in the next fifty years. Obviously, any steps a person can take to lower their risk of developing this disease would be of importance. Now, there's even more evidence that diet plays a role in Alzheimer's related brain changes.

Many bariatric surgeons and dieticians tell patients to use protein shakes after a gastric bypass, at least temporarily. Some advise patients to use the shakes for the first few weeks or months after surgery, while other tell patients they should rely on protein shakes for life. But some doctors and dieticians tell patients not to use protein shakes at all, and say they should get all of their protein from food. Which is the right way to go?