Consider food choices: Limiting intake of oxalate-containing foods -- such as spinach, beets, chocolate, peanuts, potatoes and many other foods -- is an important preventive strategy for those with calcium oxalate stones who also have conditions that affect the small bowel, such as Crohn's disease. For those who don't have digestive conditions or high urine oxalate levels, the benefits of diet changes are unclear. Because the diet is very difficult to follow, Mayo Clinic experts don't emphasize this strategy.
Vitamin D: Many Benefits; Optimal Dose Uncertain
ROCHESTER, Minn. -- Vitamin D appears to boost health from head to toe, according to the September issue of Mayo Clinic Health Letter. But, so far, there's no consensus on what level of vitamin D is optimal for good health.
Recent reports on vitamin D suggest that it offers many benefits, especially for older adults. Findings point to improved balance, reduction in the risk of bone fractures, and better thinking skills such as planning, organizing and abstract thinking. Low levels of vitamin D are associated with diabetes, cardiovascular disease, multiple sclerosis and other autoimmune disorders, infections such as tuberculosis, and periodontal disease. Low vitamin D levels also may affect certain cancers, including colon, breast and prostate cancers.
Vitamin D is the only vitamin that the body can manufacture itself. The only requirement is sunshine, specifically ultraviolet B rays. About 10 to 15 minutes of exposure two to three times a week during nonpeak sun hours is considered adequate. But the sunshine approach doesn't
|SOURCE Mayo Clinic|
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