heart attack or stroke compared to those taking a placeboWhat to do??oTake vitamin D helps calcium uptake (but more studies needed on efficacy)Osteoporosis therapiesVitamin DoEasy to take, not expensiveoVitamin D from sun maintains Ca2+At 500 IU/Day (need uvb) oIn winter, sunshine is less photochemical transformationof vitamin D is not prevalent and so some birds fly south toget more sun (and we fucking freeze)ExerciseoEasy to obtain and inexpensiveoPumping iron after 80 can stimulate bone mass increase
oVideo 7EstrogenReceptors found in bone cellsEstrogen levels decrease after menopause Helps prevent osteoporosis and prevent heart disease BUT increaserisk of uterine cancer and may increase risk of breast cancer Premarin (hormone replacement therapy )oEstrogen and progestin, reduces risk of uterine cancer and prevent osteoporosis BUT increases risk of breast cancer and may not be effective for heart diseaseoWomen who take estrogen reduces her risk of remaining cancer free from 96% to 95% (not too much of a difference)This was also worded as 3.5% women get breast cancer after menopause but the risk goes up to 5% with those who take estrogen (sounds worse)StudyoAfter taking estrogen, heart attack, stroke, breast cancer and blood clot risk increasedOsteoporosis summaryAdequate calcium intake early in life reduces risk Calcium supplements can be part of this intake Estrogen supplements after menopause reduce risk Calcium supplements reduce dose of estrogen requiredEstrogen associated with uterine cancer and may cause breast cancer (and maybe not)
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- Spring '11
- Sodium, Sodium chloride