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A theory that changes in fat metabolism in the membranes of nerve cells play a role in Alzheimer's has been supported in a recent study. The study found significantly higher levels of ceramide and cholesterol in the middle frontal gyrus of Alzheimer's patients.

A study involving 4,740 elderly (65 years or older) found the greatest reduction in both prevalence and incidence of Alzheimer's in those who used individual vitamin E and C supplements in combination, with or without an additional multivitamin.

A guinea pig study has found that newborn guinea pigs subjected to moderate vitamin C deficiency had 30% fewer hippocampal neurons and markedly worse spatial memory than guinea pigs given a normal diet.

The nutrient choline is known to play a critical role in memory and brain function by positively affecting the brain's physical development through increased production of stem cells (the parents of brain cells).

A "cocktail" of dietary supplements (omega-3 fatty acids, uridine and choline) has been found to dramatically increase the amount of membranes that form brain cell synapses in gerbils. The treatment is now in human clinical trials.

A study has found that gerbils given a ‘cocktail’ of DHA, uridine and choline performed significantly better on learning and memory tests than untreated gerbils, and their brains had up to 70% more phosphatides (a type of molecule that forms cell membranes) than controls, suggesting that new syna

A mouse study has found that choline in the diet of a pregnant mother at a particular period of fetal development can change the epigenetic switches that control brain development.

A mouse study has found that the diet of a pregnant mother, especially in regards to choline, can change the epigenetic switches that control brain development in the fetus.

A new compound that boosts brain levels of magnesium improved many aspects of learning and memory in both young and old rats.

A rat study has found that increased levels of magnesium in the brain improved many aspects of learning and memory in both young and old rats.

In this study, subjects were shown two sets of 12 color photographs of people’s faces (24 in total). Five minutes after seeing the last one, the subjects were then shown another 48 faces (one by one, as before) and had to say whether or not they had seen the face earlier.

A study of 20 flight attendants suggests that people who undergo repeated, frequent episodes of jet lag without sufficient recovery time between trips may develop actual tissue changes in the brain in an area that's involved in spatial orientation and related aspects of cognitive function.

A study involving adult male white-footed mice may help us understand seasonal dysfunctions such as seasonal affective disorder.

A survey of 824 undergraduate students has found that those who were evening types had lower average grades than those who were morning types.

We know circadian rhythm affects learning and memory in that we find it easier to learn at certain times of day than others, but now a study involving Siberian hamsters has revealed that having a functioning circadian system is in itself critical to being able to remember.


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