A 2004 study found a link between low testosterone and Alzheimer’s Disease in older men. The study analysed the testosterone levels of 574 men between the ages of 32 and 87. Examining both ‘total’ and ‘free’ testosterone levels over an average of nineteen years in relationship to subsequent diagnosis of Alzheimer’s disease, this longitudinal study discovered that testosterone levels are lowere in men suffering from Alzheimer’s disease than in their peers without the disease.
The study found that ‘…men who were diagnosed with AD, on average, had about 1/2 the levels of circulating free testosterone as men who didn’t develop the …read more

A five year study conducted by King’s College London (funded by the Alzheimer’s Research Trust) into the use of neuroleptic sedatives for Alzheimer’s patients with behavioral problems has found that these drugs ‘…were linked with a significant increase in long-term mortality – with patients dying on average six months earlier.’
The study involved 165 Alzheimer’s patients in nursing homes who had been given sedative drugs such as Haloperidol (Serenace), Chlorpromazine (Largactil), Thioridazine (Melleril), Trifluoperazine (Stelazine), and Risperidone (Risperdal) for at least three months.
In the Alzheimer’s Research Trust Press Release (April 2, 2007) Professor Clive Ballard, Professor of Age Related Disorders at …read more

Research news appeared in the June 11, 2006 issue of Nature Magazine concerning the possible use of a variant of sugar to prevent Alzheimer’s disease in mice and improve symptoms if they’re developing it. 
 For more details visit the Howard Hughes Medical Institute web site:  http://www.hhmi.org//news/stgeorgehyslop20060612.html .