Insufficient levels of Vitamin D are common in Americans with the elderly and African Americans having a particularly high risk of deficiency. This review, written for a broad scientific readership presents a critical review of scientific evidence relating to a possible causal relationship between vitamin D deficiency and effects on behavior and cognitive functions. The scientists including Dr.

The build-up of plaque caused by beta-amyloid protein deposits cause brain cell damage and death largely due to free radical damage. This is a large part of the loss of cognitive function and imminent death in Alzheimer's sufferers and Alzheimer’s is the most common form of dementia. The study focused on the potential role of Green Tea and its constituents to counter the oxidative stress induced by a build up of beta-amyloid protein in the brain of rats.

Researchers followed 41 patients with type 2 diabetes for 4 years. Twenty patients consumed a diet of which the protein consisted of 35% animal protein, 35% Soy Protein and 30% vegetable protein. The other 21 patients ate a diet where the protein was 70% animal and 30% vegetable protein.

In this study healthy volunteers took turns receiving Coenzyme Q10 at 300mg a day or inactive placebo. They were then subjected to intense cycling to induce fatigue. When on Coenzyme Q10 the subjects had improved performance and decreased fatigue.