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Osteoporosis is a common condition in postmenopausal women leading to bone fractures. However, there is now evidence that vitamin D deficiency is also associated with other medical conditions important in older women. These include cardiovascular disease, diabetes, cancer, infections and neurodegenerative disease. The major natural source of vitamin D is cutaneous synthesis through exposure to sunlight with a small amounts also coming from the diet in animal-based foods such as fatty fish, eggs and milk. Levels of vitamin D are lower in those with poor sun exposure and in the winter. Obesity, malabsorption syndromes and certain medications (e.g. anticonvulsants, antiretrovirals) can also lower vitamin D levels. Regular sunlight exposure (without sunscreens) for 15 minutes, 3-4 times a week, in the middle of the day in summer can generate healthy levels. Supplements of vitamin D are recommended for those women who cannot obtain the required quantity through sun exposure and diet. The recommended daily allowance is 600 IU/day increasing to 800IU/day for those aged 71 years and older.
Osteoporosis is a common condition in postmenopausal women leading to bone fractures. However, there is now evidence that vitamin D deficiency is also associated with other medical conditions important in older women. These include cardiovascular disease, diabetes, cancer, infections and neurodegenerative disease. The major natural source of vitamin D is cutaneous synthesis through exposure to sunlight with a small amounts also coming from the diet in animal-based foods such as fatty fish, eggs and milk. Levels of vitamin D are lower in those with poor sun exposure and in the winter. Obesity, malabsorption syndromes and certain medications (e.g. anticonvulsants, antiretrovirals) can also lower vitamin D levels. Regular sunlight exposure (without sunscreens) for 15 minutes, 3-4 times a week, in the middle of the day in summer can generate healthy levels. Supplements of vitamin D are recommended for those women who cannot obtain the required quantity through sun exposure and diet. The recommended daily allowance is 600 IU/day increasing to 800IU/day for those aged 71 years and older.
