Effect
The effect of vitamin D deficiency of the Thai can cause diseases . Vitamin D deficiency cause osteoporosis because vitamin D helps strengthen bones and teeth strong absorption of calcium and phosphorus in the strength of bone.The osteoporosis is mainly found in menopausal women since the age of 60 years because the bone is reduced during the 5 years after menopause which the main causes of osteoporosis in menopausal women are anovulatory menstrual cycles, premature menopause and no exercise. In August 2012 David Llewellyn have found that levels of vitamins D too low can increase the risk of Dementia Syndrome to 53 percent. And increase the risk of Alzheimer's high 69 percent.