Exercise additionally appears to impact on brain operate. Research published last year within the Archives of Neurology found that regular vigorous exercise is associated with a considerably reduced risk of Alzheimer's disease, dementia and different forms of mental impairment. An earlier study published within the Journal of Internal Medicine found that walking as little as half a mile on a daily basis improved memory and reduced signs of dementia within the elderly.

It appears that calcium will bind to oxalate within the gut, thereby preventing its absorption into the body. As a result, levels of oxalate decline in the urine, and this appears to be a crucial factor in preventing kidney stones. Calcium supplements seem to be helpful for people with a history of kidney stones, but they must be taken with meals, not on an empty abdomen.