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The radiation dose of current DEXA systems is small, [24] as low as 0.001 mSv, much less than a standard chest or dental x-ray. [25] [26] However, the dose delivered by older DEXA radiation sources (that used radioisotopes rather than x-ray generators) could be as high as 35 mGy, [27] [28] [29] considered a significant dose by radiological ...
A scanner used to measure bone density using dual energy X-ray absorptiometry. Bone density, or bone mineral density, is the amount of bone mineral in bone tissue.The concept is of mass of mineral per volume of bone (relating to density in the physics sense), although clinically it is measured by proxy according to optical density per square centimetre of bone surface upon imaging. [1]
About 22 million women and 5.5 million men in the European Union had osteoporosis in 2010. [15] In the United States in 2010, about 8 million women and between 1 and 2 million men had osteoporosis. [13] [16] White and Asian people are at greater risk. [3] The word "osteoporosis" is from the Greek terms for "porous bones". [17]
The International Osteoporosis Foundation and the European Calcified Tissue Society recommend pharmacological therapy for osteoporosis in postmenopausal women and men ≥70 years, with a previous fragility fracture, or a dose equivalent of prednisone ≥7.5 mg daily for ≥3 months. For premenopausal women and men <50 years taking steroids for ...
One survey in England of people aged 60–69 recorded 86% of men and 60% of women as sexually active. [381] "Double bagging", the practice of using two condoms at once, is not an extra-effective method of birth control; instead such use is more likely to cause condom breakage due to friction between the condoms. [382]
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The Canadian Task Force on Preventive Health Care in 2014 strongly recommended against screening in those under 55 and over 70 years of age. [11] They weakly recommended against screening among those 55–69. [11] Some men have germ-line mutations associated with prostate cancer development (e.g., BRCA1, BRCA2, HOXB13). Screening and its ...