Coconut Oil Touted as Alzheimer's Remedy (5 Jan 2012, collected 30 Apr 2012)
Coconut oil has proven capable of slowing the progression of Alzheimer's and may have even prevented it.
Also see this article.

Greater purpose in life may protect against harmful changes in the Alzheimer's brain (7 May 2012)
Greater purpose in life may help stave off the harmful effects of plaques and tangles associated with Alzheimer’s disease.

Caloric restriction/occasional fasting may prevent Alzheimer's (Podcast) (7 May 2012)
A scientist studying ageing spills the beans.

IVIG Stops Alzheimer's in Its Tracks (17 Jul 2012)
Three years of treatment with intravenous immunoglobulin (IVIG, GammaGard) prevented further cognitive decline in patients with Alzheimer's disease, according to one small study.

Artificial Butter Flavouring Ingredient Linked to Key Alzheimer's Disease Process (1 Aug 2012)
A food flavouring ingredient used to produce the distinctive buttery flavour and aroma of microwave popcorn, margarines, snack foods, candy, baked goods, pet foods and other products may intensify the damaging effects of an abnormal brain protein linked to Alzheimer's disease.

Vitamin C and beta-carotene might protect against dementia (11 Sept 2012)
The serum-concentration of the antioxidants vitamin C and beta-carotene are significantly lower in patients with mild dementia than in control subjects. It might therefore be possible to influence the pathogenesis of Alzheimer's Disease by dietary means.

Melatonin and exercise work against Alzheimer's in mice (26 Sept 2012)
The combination of two neuroprotective therapies, voluntary physical exercise, and the daily intake of melatonin has been shown to have a synergistic effect against brain deterioration in rodents with three different mutations of Alzheimer's disease.

Know your risk factors to help prevent dementia (5 Oct 2012)
Research shows that managing and treating vascular disease risk factors are not only beneficial to preventing heart disease and stroke, but also common forms of dementia.

High carb diet bad for elderly cognitive function (21 Oct 2012)
Seniors who follow a high-carbohydrate diet are nearly four times as likely to develop mild cognitive impairment, especially if their food intake is high in sugar.

Israeli medical device offers new Alzheimer's treatment (24 Oct 2012)
An Israeli company has developed a non-invasive medical device to help to treat Alzheimer's disease, and expects the system to be approved by the US Food & Drug Administration in late 2014.

Astaxanthin may help prevent dementia, including Alzheimer's (29 Oct 2012)
This natural pigment - a far more powerful cousin of beta-carotene - has been found to reduce the compounds known to accumulate in the red blood cells of people who suffer from dementia, suggesting that astaxanthin could help prevent dementia, including Alzheimer's.

Measuring metabolism can predict Alzheimer's progress with 90 percent accuracy (7 Nov 2012)
Early clues regarding the progression of this disease can be found in the brain's metabolism. The next step is to devise an easy and non-invasive blood test to measure these changes.

Vitamin D could hold vital key to arresting development of Alzheimer’s disease (9 Nov 2012)
A lack of vitamin D may be associated with Alzheimer's disease.

Vitamin C may prevent age-related cognitive decline and Alzheimer's disease (2012, accessed 5 Dec 2012)
Healthy vitamin C levels can have a protective function against age-related cognitive decline and Alzheimer's disease.

Ginkgo biloba treats Alzheimer's symptoms and improves mental function in healthy individuals (11 Dec 2012)
Ginkgo can be a useful addition to the treatment of Alzheimer's, having been shown to be better than a placebo and highly rated by a prestigious US clinic.