The relationship between levels of serotonin in the brain and eating disorders has been much explored of late, and a number of pharmaceutical companies have tried to produce medications to slow the reuptake of this neurotransmitter in the attempt to control body weight. Read more about this in Serotonin and Eating Disorders.

http://pharminfo.com/pubs/msb/seroton.html

The Alzheimer's Association home page provides a host of information on the nature of this disease, medical issues, patient care, research progress, and much more.

http://www.alz.org/

Can You Reduce Your Risk of Developing Alzheimer's? is an article from the Mayo Clinic's Health Oasis site that presents the latest information on how to possibly stave off this disease of aging.

http://www.mayohealth.org/mayo/9610/htm/alzh_3sb.htm