In any case, Ettinger et al (1997) state that greater bone density in blacks may be due to differences in calciotropic hormones—hormones that play a major role in bone growth and bone remodeling The bone mineral density (BMD) data from The National Health and Nutrition Examination Survey (NHANES) clearly showed significant ethnic differences throughout adulthood in a large representative sample of US white, US black, and Mexican-American men and women
Two studies examined the racial differences in bone mineral density in a diverse sample and similarly categorized participants as Hispanic, non-Hispanic white, and non-Hispanic black (23,24). In both studies, higher bone mineral density was found among non-Hispanic blacks than among non-Hispanic whites These findings extend results from previous studies by Bell et al. and others 18-22 who demonstrated racial differences in BMD between American blacks and whites as well as between West Africans and whites living in the United Kingdom. 21 Whether these differences are caused by the acquisition of a higher peak bone mass, a slower rate of bone. Purpose: The purpose of the current study was to determine group differences and relationships between bone mineral density, bone free lean body mass and muscle strength, and fat mass, in premenopausal women aged 18-45 years belonging to three different racial/ethnic groups: Caucasians, South-Asians (SA), and East-Asians (EA) We conclude that there is a true interracial difference in bone mineral density between Polynesians and the other races studied, and that this is increased further by the greater body weight of Polynesians Differences in bone density testing by race/ethnicity and zip-code level socioeconomic characteristics during the 2-year period preceding and the 6-month period following a hip fracture. Among all.
Compared with whites and other ethnic groups, African Americans have a lower risk of breaking a bone in their lifetime. 1-3 The best explanations are genetic differences in bone size, bone density, bone structure and possibly differences in calcium regulation. Despite the general statement of lower risk, there are two areas of growing concern for African Americans: 1) fracture risk may be. ETHNIC DIFFERENCES IN BONE MINERAL DENSITY AND FRACTURES IN HEALTHY INDIVIDUALS Black persons have substantially lower fracture rates and higher bone density than individuals of other races. Asians have lower bone density than whites, but they also have lower fracture rates. 36., 37., 38 Although black patients without end-stage renal disease (ESRD) have a greater bone mineral density (BMD) than whites, the impact of race on BMD among patients with ESRD who are likely to have varying degrees of renal osteodystrophy is not known. We undertook a cohort study of 106 hemodialysis patients comparing BMD and bone loss between black and white patients with ESRD to determine if black.
The epidemiologic information regarding international differences in bone mineral density (BMD) in women is currently insufficient. We compared BMD in older women across five racial/ethnic groups in four countries. The femoral neck, total hip, and lumbar spine BMD were measured in women (aged 65-74 years) from the Study of Osteoporotic Fractures (SOF) (5,035 Caucasian women and 256 African. Differences in bone density between blacks and whites have been noted at a variety of ages and skeletal sites and remain even after adjusting for body mass (Pollitzer & Anderson, 1989). Racial differences in bone begin even before birth. Divergence in the length and weight of the bones of the black and white fetus is followed by greater weight. No, not 100% true. I took forensics in school, we used those exact same skulls. My concern at the time was that the skulls of Asians and Africans were inaccurate and a lay person might assume the extreme examples are the norm. The skulls in the pi.. Both sarcopenia and low bone mineral density (BMD) have become public health concerns. We found that presarcopenic and/or sarcopenic individuals were more likely to have lower BMD. And this relationship has race and sex-specific discrepancy There are differences in bone health between ethnic groups in both men and in women. Variations in body size and composition are likely to contribute to reported differences. Most studies report ethnic differences in areal bone mineral density (aBMD), which do not consistently parallel ethnic patterns in fracture rates. This suggests that other parameters beside aBMD should be considered when.
race/gender hierarchies of bone density (Melton, 2001; Looker, 2002; Melton et al., 2002; Nelson & Megyesi, 2004) it is important to ask whether centuries' old habits of thinking in racial typologies still imprison our thoughts. Are there really racial differences in bone density? If so, what could they mean both biologically and socially concern are men, racial and ethnic minorities, poor individuals, individuals with disabilities, and individuals living in rural areas. The purpose of this study was to examine the racial/ethnic differences in bone mineral density of young adults and to investigate any correlations with variables suggested to influence BMD
1100 words I have written a few response articles to some of what Thompson has written over the past few years. He is most ridiculous when he begins to talk about nutrition (see my response to one of his articles on diet: Is Diet An IQ Test?). Now, in a review of Angela Saini's (2019) ne racial groupings based on skin colour. They're not based just on skin color. Black albinos are not a different race. Africa has the most genetic diversity of anywhere on the planet. True, but a lot of that diversity is in groups that are very small population-wise like pygmies or the Khoisan, the Hadza . In the 1990's most people were using DEXA machines, which report units in g/cm 2. But when the bone density machines became commercial, the different companies would not agree on a standard measurement Differences in Racial bone density? User Name: Remember Me? Password: Donate: Radio: Chat: Register: Blogs: FAQ: Members: Social Groups: Search: Today's Posts: Mark Forums Read: Science and Technology Molecular biology, physics, astronomy, genetics, evolutionary psychology, eugenics, and other disciplines related to the survival and advancement.
. Results Many articles attribute racial/ethnic differences in bone mass/bone density to genetic causes, although few studies actually examine genetic data Though they may not always be willing to say so, sports physicians have found physical differences that give different races advantages in different sports. Whites and West Africans, for example, differ in proportions of body fat, width of hips, thickness of thighs, bone density, and proportion of fast- and slow-twitch muscle
The disparity in fracture incidence and bone mass in women of European (white) and African (black) ancestry is of unknown etiology. To determine if racial differences in bone mass reflected racial differences in the mechanisms of bone turnove The recent prevalence of osteoporosis and low bone mass in the United States based on bone mineral density at the femoral neck or lumbar spine. J Bone Miner Res . Nov 2014;29(11):2520-6 Racial differences in bone mass, bone geometry and size still exist even when controlling for height and weight, although as shown in other studies, [28, 29] the magnitude of those differences is smaller after controlling for body size. The differences in tibial cortical thickness and circumference have not been shown previously and may help. A bone density test determines if you have osteoporosis — a disorder characterized by bones that are more fragile and more likely to break. The test uses X-rays to measure how many grams of calcium and other bone minerals are packed into a segment of bone. The bones that are most commonly tested are in the spine, hip and sometimes the forearm
.. In a cross-sectional study, Stanford and colleagues analyzed data. Abstract. In this paper I examine claims of racial difference in bone density and find that the use and definitions of race in medicine lack a theoretical foundation. My central argument is that the social produces the biological in a system of constant feedback between body and social experience 212. Background: In the general population, black men have higher bone mineral density (BMD) and lower fracture rates than white men. Whether race influences bone loss and fracture risk during androgen deprivation therapy (ADT) for prostate cancer is unknown. Using data from a recently completed prospective, randomized, clinical trial we compared BMD and fracture rates of black and white men. The lower bone density test results, the lower your total bone density, indicating osteopenia or osteoporosis. T-Score Bone Density Chart: A T-score of -1.0 to -2.5 signifies osteopenia, meaning below-normal bone density without full-blown osteoporosis. This stage of bone loss is the precursor to osteoporosis
There was a 0.031 g/cm(2) difference in bone density between those in the high PA versus the low PA category (P = .003). This association remained (β = 0.027, P < .001) after adjusting for race/ethnicity, sex, body mass index, poverty-income ratio, tobacco use, and use of osteoporosis medications Osteoporosis is a silent disease because individuals may not know that they have osteoporosis until their bones become so fragile. Bone mineral density (BMD) test helps to detect osteoporosis and determine the risk fractures. This study covers bone measurement data from total body dual energy X-ray absorptiometry scans for 28,454 persons who participated in the 1996-2006 National Health. In our study, a high bone mineral density was significant only for non-Hispanic blacks, which suggests multifactorial effects. Two studies examined the racial differences in bone mineral density in a diverse sample and similarly categorized participants as Hispanic, non-Hispanic white, and non-Hispanic black (23, 24). In both studies, higher.
For example, a recent review of the literature on ethnic differences in bone health concluded that there are numerous factors that are crucial to consider when investigating bone strength between racial groups and that bone density alone cannot account for fracture risk . Given this mixed evidence, we exclude this item from our composite . Ethnic variations are found in mineral metabolism, Ca homeostasis, serum concentrations of 25(OH)D and parathyroid hormone (PTH), as well as in acquisition of bone mass and structure.2-10 These differences in bone Racial differences in the relationship between vitamin D, bone mineral density, and parathyroid hormone in the National Health and Nutrition Examination Survey - pdf attached Download the PDF here Osteoporosis Intl Oct 2010 O. M. Gutierrez1 Contact Information, W. R. Farwell2, 3, D. Kermah4 and E. N. Taylor5, Bone deterioration is a multifactorial entity, having impacts on different body parts at different rates. 2,3,5,10 Bone density and composition characteristics have been exhaustively characterized in terms of hip and vertebral body fracture incidence, and the characterization of these through measures such as DEXA scans provide an accurate.
Race and ethnicity may play a part in a woman's risk, as well. A 2011 study found the highest fracture rates were in White women. Despite higher bone mineral density in Black women, they are more likely to have poor outcomes after a hip fracture. There are also ethnic and racial disparities in screening and health care for osteoporosis Although bone density reflects lifelong influences on the skeleton, the presence of a correlation between bone density and biochemical measures of current bone turnover suggests that bone turnover may be a major determinant of bone mass and strengthens the hypothesis that racial differences in bone turnover may be responsible for racial. We and others have previously demonstrated differences in skeletal development in African American children compared with non-African American children. 5,6 The degree to which sex- and race-related differences in adult bone density are attributable to differences in the timing and magnitude of developmental gains in bone mass remains unknown Differences between African-American and Caucasian bone metabolism are well documented and include higher bone mineral density (BMD), lower risk of fragility fracture, lower 25-hydroxyvitamin D (25(OH) D), and higher PTH in African-Americans compared to Caucasians. Most studies of bone metabolism in lactating women have been done in Caucasians
Recent studies have suggested that the association between protein intake and bone mineral density (BMD) may differ by race and/or ethnicity (Reference Henderson, Price and Cole 19 - Reference Chiu, Lan and Yang 24), which could reflect differences in dietary patterns and sources of protein The aim of this dissertation was to explore the determinants of bone mineral density and weight change in a fit, college-aged population. Specifically, this dissertation is a series of four papers that examined the determinants of bone mineral density (BMD) at multiple skeletal sites in men and women at college entrance, BMD differences relate Abstract. Total body bone density of adults from National Health and Nutrition Examination Survey (NHANES) 1999-2004 differed as expected for some groups (men>women and blacks>whites) but not others (whites>Mexican Americans). Cross-sectional age patterns in bone mineral density (BMD) of older adults differed at skeletal sites that varied by.
Context: Although racial and ethnic differences in vitamin D status and bone mineral density (BMD) are recognized, less is known about how differences in vitamin D status impact BMD, especially among men. Objective: Our objective was to examine the relation between serum 25-hydroxyvitamin D [25(OH)D] and BMD by race and ethnic group relationship between intact PTH (iPTH) levels and bone turnover in African Americans and Caucasian ESRD patients on maintenance dialysis, and (2 ) to compare iPTH levels and bone Groups did not differ for any other bone parameter (p > 0.05). CONCLUSION: Racial differences in bone endpoints appear to be less marked in those with moderate to severe obesity, suggesting that effects of obesity may blunt the effect of race on bone endpoints Vasquez E, Shaw BA, Gensburg L, et al. Racial and ethnic differences in physical activity and bone density: National Health. and Nutrition Examination Survey, 2007-2008. Prev Chronic. Dis. 2013;10:E216. Avin KG, Bloomfield SA, Gross TS, et al. Biomechanical. aspects of the muscle-bone interaction. Curr Osteoporos Rep
Oregon Health & Science University Home. Help & FAQ; Home; Profiles; Research Units; Core Facilities; Grants; Search by expertise, name or affiliatio Bone density at all skeletal sites was statistically significantly greater in black than in white subjects; on average, adjustment for covariates reduced the percentage density differences by 42% for men and 34% for women.We concluded that racial differences in bone mineral density are not accounted for by clinical or biochemical variables. More research is needed to understand the differences in bone density between the various racial and ethnic groups. However, because all women, regardless of race, are at significant risk for osteoporosis, girls of all races need to build as much bone as possible to protect them against this disease
The marked difference between black and white females in cancellous vertebral bone density occurs during a relatively brief period late in puberty. Metabolic and hormonal events related to the achievement of sexual maturity during adolescence may be important determinants of racial differences in bone mass in women First, I'm assuming that this question as accepted the fact that bone density and bone strength are essentially different. Bone density, commonly referred to as bone mineral density (BMD), is the amount of bone mineral in bone tissue while bone st..
The link between osteoporosis risk and certain racial populations may be due to lived differences such as nutrition and activity levels, both of which affect bone density. B ut more important: Geographic ancestry is not the same thing as race. African ancestry, for instance, does not tidily map onto being black (or vice versa) item about racial differences in bone density is tricky; bone strength is strongly associatedwith lifestyle and diet, and re-search on racial group differences in bone density and its re-lationship to fracture risk is mixed. For example, a recent review of the literature on ethnic differences in bone health conclude BMD was compared across race/ethnic groups. There were substantial race/ethnic differences in BMD even within African or Asian origin. Additional adjustment for body size greatly attenuated or reversed the differences between US Caucasian men vs Asian men. It illustrates the role of body size on the difference between these groups. Introduction: There is insufficient epidemiologic information.
Bone strength, and consequent fracture risk, is also influenced by how bone material is distributed or structured. It is likely bone structure also contributes to the lower incidence of fractures in blacks and that racial differences in bone structure have roots in childhood . The aim of this study was to quantify differences in femoral bone density and geometry between a large sample of healthy American white and black women and men
A study examining gender differences in bone structure in young men and women at the hip, distal tibia, and distal radius found that men have higher total and cortical bone cross-sectional area, but volumetric density values similar to those observed in women . When the data are adjusted for differences in body height, gender differences in. Racial differences in bone mineral density (BMD) appear to account in part for racial differ-II ences in the incidence of osteoporosis and fractures. We previously reported that the greater BMD in adult blacks compared with whites is associated with a higher serum 17β-estradiol and greater secretion of growth hormone (GH) in men but not women Several studies have shown racial differences in the regulation of mineral metabolism, in the acquisition of bone mass and structure of individuals. In this review, we examine ethnic differences in bone and mineral metabolism in normal individuals and in patients with chronic kidney disease. Black individuals have lower urinary excretion and increased intestinal calcium absorption, reduced.