Tag: "blacks" at biology news

Study Finds Gene Is Associated With Higher Risk Of One Kind of Stroke Among African-Americans

...on form of Alzheimer's disease also may predispose blacks tointracerebral hemorrhages (ICH), a severe form o...e callede4. They found that in the study, blacks with a single e4 allele, inheritedfrom one parent, were twice as likely to have ICH when compared to...

New Study Shows White Males Have More Receptors For Patent Blood-Vessel Contracting Substance

.... Ergul and Puett showed in 1996 that hypertensive blacks have fourtimes as much endothelin-1 in their blood...reams as hypertensive whites, andthat hypertensive blacks have eight times more circulating ET-1 than blacks withnormal blood pressure. The current study is t...

HIV-Positive Injection Drug Users Often Don't Receive Protease Inhibitors And May Not Be Aware Of The Drug

...ignificantdifferences among men and women or among blacks and whites as to who was morelikely to receive the medications. The in-depth interviews revealed that the most common obstacles toadhering to therapy were homelessness, which can make it difficult to store andkeep track of multiple medication...

Researchers Find Vaginal Bacteria Imbalance Might Boost AIDS Risk

...s and Mobiluncus,which was 10 times more common in blacks than in whites. A paper describing the earlier work appeared in the February issue ofthe journal Sexually Transmitted Diseases....

Genetic variants linked to higher risk of high blood pressure in African Americans

... percent), suggesting apossible explanation of why blacks are at higher risk of developing high bloodpressur...vere high blood pressure than whites. As aresult, blacks face an increased risk of stroke, heart disease and end-stagekidney failure. African Americans are f...

Prostate cancer test works as well for black men, study shows

...sis shows no significant differences exist between blacks and whites in the performance ofthe fPSA test. Since FDA approval, the fPSA is becoming a follow-up test for men whose PSA falls in a "diagnosticgray zone" of moderately elevated levels--4 /to 10 ng/ml. The risk of prostate cancer in this group is 2...

Tracking a genetic basis for alcohol-related hypertension

...re than 2,000,000 who died that year. In general, blacks have a higher prevalence than whites, and men have a higher prevalence than women do. The exact causes of 90 to 95 percent of hypertension cases remain unknown, but alcohol consumption is one of the most important lifestyle factors that can contribu...

In possible boon to sickle cell victims, basic scientists find reason cells stick

... the American Medical Association. About one in 12 blacks has sickle cell trait, which means they carry a gene that produces a defective kind of hemoglobin, the complex protein that carries oxygen to tissues throughout the body. If a person inherits the gene from a parent, he or she is a carrier like the p...

Discovery: Scientists find new reason red blood cells cut blood flow in sickle cell disease victims

...a, is the most common lethal genetic illness among blacks in the United States. About 150 in every 100,000 b...goal and our strong hope." About one in 12 blacks has sickle cell trait, which means they carry a gene that produces a defective kind of hemoglobin, t...

Weight more closely linked to early puberty in preteen white girls than black girls

...perinsulinism is more common in black girls and in blacks in general. The new study, which did not prove tha...rlier, and they are uncovering differences between blacks and whites, she said. The latest NHANES growth data, which comes from a large national sample, shows...

Hurricane floods pose risk to environment, health, new research on 1999 storm reveals

...on satellite data, researchers found. In contrast, blacks were 8 percent less likely to live in areas where state officials inspected flooded waste pits. Almost 60 percent of N.C. households in neighborhoods with flooded livestock operations depended on well water according to 1990 census figures, the tea...

Aborigine study suggests body mass index guidelines should be lower to block diabetes

...ive to the unhealthy effects of excess weight than blacks and various indigenous populations around the worl...dian Indians, Pacific Islanders, Africans and U.S. blacks and many indigenous people, who all appear to be at increased risk," Daniel said. "We believe progra...

Research shows different races, ethic groups receiving different levels of preventive care

...e doing a better job in targeting women, including blacks and Hispanics, for some preventive services," the ...ed having a usual source of care vs. 74 percent of blacks and 60 percent of Hispanics. For mammography, breast exams, blood pressure screening, cholesterol sc...

ACE inhibitor drug used to delay heart failure as effective in blacks as whites

...g the risk of hospitalization for heart failure in blacks compared to whites. There was no evidence for racial differences in enalapril's ability to reduce the risk of death. The analysis reported today focused specifically on the ability of ACE-inhibitor therapy to delay the development of heart failure in...

Health of American Indians on decline before Columbus arrived in new world

... With a rank of 28 out of 65, antebellum blacks buried at Philadelphias African Church in the 1800s were in the top half of the health index. This group had health superior to small-town, middle-class whites, Steckel said. ...

Researchers find blacks also have telltale protein but higher in osteoarthritis patients and men

...d COMP when in fact COMP levels are just higher in blacks normally." A report on the new findings appears in the March issue of Arthritis & Rheumatism, a medical journal. Other authors are Dr. Jordan Renner and doctoral students Gheorghe Luta and Anca Dragomir of UNC and Thomas Stabler and Dr. Virginia B. K...

African American teen mothers have greater risk for low birth weight and premature babies

...than non-smokers. Rates of cigarette smoking among blacks is typically lower than white adolescents, but is increasing and is of great concern to the study investigators. Sexually transmitted diseases were also common in this group. During pregnancy, over 20 percent of the adolescents had chlamydia, nearly ...

Can heart failure impair thinking?

... among men than women and is twice as common among blacks compared to whites. Background HF is among the most serious symptom of heart disease, killing about two-thirds of all patients within five years of diagnosis. Patients are treated with mediations such as ACE inhibitors and digitalis so that the he...

Does a new hypothesis help explain higher levels of hypertension among African-Americans?

...hind the differences. This hypothesis assumes that blacks exhibit exaggerated blood pressure (BP) responses to stress which produce vascular damage that underlies the premature development of essential hypertension. An alternative to this widely accepted approach is the "pressure natriuresis" hypothesis. I...

Severe kidney disease in blacks linked to genes on two chromosomes

...d 3 are linked to severe kidney disease in younger blacks with diabetes, Barry I. Freedman, M.D., reported t...ake Forest University Baptist Medical Center, said blacks with these genes develop end-stage kidney disease at a much younger age. People with end-stage kidne...

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