Calcium and Vitamin D Nutrition in the Elderly
	Functions of Calcium
	Regulation of calcium: Hypocalcemia
	Regulation of calcium: Hypercalcemia
	Calcium Homeostasis
	Calcium absorption
	Some factors influencing calcium absorption
	Some factors influencing calcium absorption
	Consequences of calcium insufficiency
	Calcium intake and periodontal disease
	Vitamin D
	Vitamin D
	Endogenous vitamin D production
	Forms of vitamin D in serum
	Factors affecting Vitamin D status
	Vitamin D production in skin by season
	Calcium and Vitamin D in the Elderly: Slide 17
	Calcium and Vitamin D in the Elderly: Slide 18
	Diseases related to vitamin D deficiency
	Calcium and Vitamin D in the Elderly: Slide 20
	Calcium and Vitamin D in the Elderly: Slide 21
	Osteoporosis
	Normal bone
	Bone Remodeling
	Uncoupling
	Osteoporotic bone
	Vertebral fractures
	Hip fractures
	Costs of osteoporosis
	Causes of low bone density
	Bone mineral content changes with age
	Risk factors for osteoporosis
	Risk factors for osteoporosis
	Dietary risk factors for osteoporosis
	Calcium and D nutrition and bone
	Dietary Recommendations
	Adequate Intakes
	Dietary sources of Calcium
	Nutrient content of foods
	Calcium and Vitamin D in the Elderly: Slide 40
	Supplemental sources
	Recommendations to Decrease Osteoporosis Risk
	Calcium and Vitamin D in the Elderly: Slide 43
	Eat a balanced diet

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