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Tag: "risk" at biology news

Spreading viruses as we breathe

...ue is carried in the air, and therefore there is a risk that people can inhale that air and become infected." Professor Morawska said a droplet drying on a surface could be infectious but the greater danger was droplets drying in the air. "A droplet can travel for 10cm before it dries in the air, it...

Research says boiling broccoli ruins its anti-cancer properties

...t consumption of Brassica vegetables decreases the risk of cancer. This is because of the high concentration in Brassicas of substances known as glucosinolates which are metabolized to cancer preventive substances known as isothiocyanates. However before this research it was not known how the glucosinolat...

Effect on breast tumors of DNA alternations in 3 genes described

... to collect information on potential breast-cancer risk factors and confounding factors. Results of the research were presented at the American Association of Cancer Research meeting held in Los Angeles in April. "We found that hypermethylation of E-cadherin, but not of the other genes, was more like...

Better health twice as likely for nonsmokers who live and work with smoking restrictions

...lso confirm that among Asian Americans the most at risk are the least acculturated non-English speaking immigrants. Before the New York City Clean Indoor Air Act of 2003, second-hand smoke exposure among this immigrant Chinese population at home and work was high, note the researchers. "Particular atte...

Cow protein aids in treatment of gastrointestinal disorder

...th the existing treatments and may be used without risk of resistance. “Various studies are under way to evaluate new antibiotics and different therapeutic methods to increase the efficacy of H. pylori therapy,?says lead author Nicola de Bortoli, M.D., Ph.D., adding that “data suggest that antibiotic r...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...ing rare and potentially valuable organisms are at risk from seafloor mining scheduled to begin within this decade, says a new study led by a University of Toronto Mississauga geologist. Mining of massive sulphide deposits near "black smokers"—undersea hydrothermal vent systems that spew 350-degree Cels...

No magic tomato? Study breaks link between lycopene and prostate cancer prevention

... antioxidant related to lycopene, and an increased risk for aggressive prostate cancer. According to the ...imple and inexpensive way to lower prostate cancer risk for men concerned about this common disease," said Ulrike Peters, Ph.D., M.P.H., of the Fred Hutchin...

Study shows dramatic increase in Caesarean sections

...an sections are still associated with an increased risk of maternal and infant death and health complicati... significant adverse effects when applied to a low risk population. "Caesareans are not without risk for mothers or babies, and should be based on solid...

Sleep quantity affects morning testosterone levels in older men

... with serious health problems such as an increased risk of depression, obesity, cardiovascular disease and diabetes. Experts recommend that adults get between seven and eight hours of sleep each night to maintain good health and optimum performance. Those who think they might have a sleep disorder a...

Improved predictions of warming-induced extinctions sought

...ical models indicate that many species could be at risk from global warming, surprisingly few species became extinct during the past 2.5 million years, a period encompassing several ice ages. They suggest that this "Quaternary conundrum" arises because the models fail to take adequate account of the mecha...

Studies force new view on biology of flavonoids

...this, there would be no benefit ?and possibly some risk ?to taking dietary supplements that might inject large amounts of substances the body essentially sees as undesirable foreign compounds. Numerous studies in the United States and Europe have documented a relationship between adequate dietary intak...

Study examines genetic risk factors for Alzheimer's disease

... elsewhere in the UK, to identify possible genetic risk factors for Alzheimer's Disease. "This is one of the largest studies of its kind and involves many Welsh families " said Professor Julie Williams. “It is by virtue of the support given to us by Alzheimer's sufferers and their carers that we are ...

Risk of HIV transmission highest early in infection

New evidence suggests that the risk of HIV transmission may be highest in the early st...als, pointed out that diagnosis of HIV reduces the risk of transmission. But, they note, symptoms of primary HIV infection are non-specific. Only a small pr...

Stanford-led study closes in on genes that may predispose some people to severe depression

...e gene is thought responsible for determining the risk for developing depression. Instead, multiple gene...pecific DNA sequence variations that affect one's risk of depression, then we would be able to understand what type of gene is it, what it does in the br...

NIH researchers discover protein that appears to regulate bone mass loss, the cause of osteoporosis

...eoporosis, and another 34 million Americans are at risk of developing the disease, which is characterized ...ne mineral density, fragile bones and an increased risk of hip, spine and wrist fractures. The basic mechanism behind osteoporosis involves an imbalance bet...

Heart failure: Intervention possibilities from imaging programmed cell loss

...rly identification of those individuals who are at risk of developing heart failure, say researchers in the April Journal of Nuclear Medicine. "Our study indicates that it is feasible to noninvasively identify cell loss—or apoptosis—in heart failure patients using annexin A5 imaging," explained Leo Hofst...

BMI not accurate indicator of body fat

...on with a higher BMI is thought to be at a greater risk of heart disease, diabetes and other weight-relate...hing unique about BMI that may increase a person's risk of chronic disease, unrelated to fatness? Are people with high BMIs but low fatness as much at risk ...

Transfusion expert urges wider use of filtered blood

...ercent to 23 percent. In other words, the relative risk of infection dropped by about 30 percent for the patients with leukoreduced blood. "Our data would suggest that when you combine all of the safety measures that have been made to the blood supply since the AIDS epidemic, all of those safety adjust...

Gene tests and brain imaging reveal early dementia

...established fact that the APOE protein affects the risk of developing Alzheimer's. APOE is a lipid-transpo...riant of APOE that is associated with an increased risk of Alzheimer's. In her study, Johanna Lind was able to show that some of the people in this risk ...

Allergy to hair dye increasing

...ercial pressures to dye hair are putting people at risk and increasing the burden on health services. I...en when advised that they are allergic to them and risk severe reactions, they conclude. ...

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