Sentences with phrase «major cause»

Atrial Fibrillation — one of the most common forms of abnormal heart rhythm — is caused by these waves, and is a major cause of stroke as it increases the risk of blood clots forming inside the heart.

Oestrogen deficiency is known to be a major cause of postmenopausal osteoporosis, or bone weakness.

Fossil fuel - based electricity production is responsible for about 38 percent of U.S. carbon dioxide emissions — CO2 pollution being the major cause of global climate change.

There was also no evidence that this backlash has in turn been a major cause of the resurgence of support for right wing populist parties.

Although some of these factors appear to have a demonstrable effect on prevalence or course of macular degeneration (green leafy vegetables are good, cigarettes are bad), none has emerged as a likely major cause of it.

«It's a major cause of species extinction — lots of species are now disappearing because they are being genetically swamped by other, commoner ones,» said Stuart Pimm, a professor of conservation ecology at Duke University.

A major cause of these observed idiosyncrasies of decision - making may be that controlled processing accounts for only part of our overall behavioral repertoire, and in some circumstances can face stiff competition from domain - specific automatic processes that are part of System 1.

It is now the major cause of deforestation in these parks,» he said.

Televisions and monitors are another major cause of concern, primarily because the Federal Communications Commission (FCC) plans to auction off the analog part of the television spectrum in 2009.

Defects in placenta development are a major cause of delayed embryo / fetal development because the developing embryos do not get enough nutrients to support normal growth.

Waterborne diseases are a major cause of illness in developing countries and are responsible for sporadic and localised outbreaks of disease in the developed world.

«Although our analyses indicated that geomagnetic storms are likely not a major cause, it is very difficult, if not impossible, to completely exclude any possible factor from the mix,» Pulkkinen said.

Most bacteria can not survive in the acidic environment of the human stomach, but Helicobacter pylori, a major cause of ulcers, thrives under such circumstances.

That makes stroke the third leading killer of adults in the United States and a major cause of neurological morbidity in patients.

The researchers found four new chemicals that seek out and disrupt bacterial proteins called «efflux pumps,» known to be a major cause of antibiotic resistance.

Self - harm is a major cause of illness and injury in bipolar disorder (BPD).

«This one - two punch of discoveries underscores the critical value of basic science — by uncovering the major cause of CD4 T cell depletion in AIDS, Dr. Greene's lab has been able to identify a potential new therapy for blocking the disease's progression and improving on current antiretroviral medications.»

This proportion is likely to rise as the population ages, warn the researchers, who add that chronic pain is a major cause of disability and distress among those affected by it.

«I imagine it has become very difficult for him to work, and that's been the major cause of his being out of the game, so to speak,» says Leonard Susskind, a theoretical physicist at Stanford University.

Another major cause is the use of antibiotics as growth promoters in animal husbandry (Science, 5 May 2000, p. 792)-- a practice that the APUA is hoping to get banned soon.

No cure has yet been found, nor has the major cause of Alzheimer's been identified.

Methicillin - resistant Staphylococcus aureaus, commonly known as MRSA, is a major cause of hospital - acquired infections, and the second biggest cause of death by drug - resistant bacteria in the US.

In this study, Victor Nizet, MD, professor of pediatrics and pharmacy, and colleagues explored the use of HIF - 1alpha - stabilizing drugs to boost the innate immune response to uropathogenic E.coli (UPEC) bacteria, a major cause of UTIs.

Carbon dioxide is the major cause of global warming, and it has been the focus of the 1997 Kyoto Protocol and other attempts to corral climate change.

Donor stem cells are transplanted to a recipient, but not without the risk of developing GVHD, a life - threatening complication and major cause of death after SCT.

A compressed and herniated disk, in which the rubbery cushion between vertebrae impinges on and irritates nearby nerves, is a major cause of low back pain that can radiate to the legs.

In addition to rendering lungs unusable for transplant, pulmonary edema also signals that the lungs are not functioning properly post-transplant and is a major cause of illness and death among lung transplant recipients.

C. difficile infection (CDI) is a major cause of health care - associated infection worldwide.

This discovery may lead to a therapy for sepsis, a major cause of death in developed countries that is fatal in one in four cases.

The controversy around this issue has led scientists across Europe to dig deeper into the claim that solar activity could be a major cause of global warming.

The report, by Economic Information Resources Consulting in Melbourne, pinpointed fuel use as the major cause of air pollution in cities.

Flu viruses are a major cause of death and sickness around the world, and antiviral drugs currently do not protect the most seriously ill patients.

Dust is a major cause of failure in fan coolers, and company engineers are studying its impact in the ionic environment.

A major cause is the extraction of groundwater, gas and oil.

Uncivil acts, also termed microaggressions, have been cited as a major cause of employee turnover, poor workplace climate and job dissatisfaction.

'' [H pylori] is the major cause of gastritis (80 percent) and gastroduodenal ulcer disease (15 percent - 20 percent) and the only bacterial pathogen believed to cause cancer,» according to background information in the article.

Extensive losses of honeybee colonies in recent years are a major cause for concern.

However, complications affecting the heart are the major cause of death in 60 % of patients, most often before the 35 years of age.

Dr. Chew leads the Age - Related Eye Disease Study (AREDS), which was designed to investigate a combination of nutritional supplements for slowing age - related macular degeneration (AMD), a major cause of vision loss among older Americans.

They should concentrate on reducing uncertainty, as this has previously been shown to be a major cause in the decline of job satisfaction.»

«Gastrointestinal diseases are a major cause of mortality in wild and captive pandas but scientists understand very little about their digestive process,» says co-author Ashli Brown Johnson, state chemist and Mississippi State University associate professor of biochemistry, molecular biology, entomology and plant pathology.

Longer lifespans in industrialized countries have ballooned the caseload, advancing the disease to a major cause of death.

Illegal fishing also continues to be a major cause of mortality, with the researchers estimating a minimum of 65,000 turtles taken from Mexico alone since the year 2000.

Only decades ago, experts thought a lack of parental affection was a major cause of autism — a notion that's since been debunked.

Cancer stem cells, a type of self - renewing cell found in tumors, are of particular interest because they are the main cell type responsible for tumor progression and for resistance to chemotherapy and radiotherapy, and therefore a major cause of tumor recurrence after treatment.

Immediate detection of such infections, which are a major cause of death among young children, is currently impossible as no simple test exists.

Historically, «the ownership of private property has been a major cause of war,» he says.

They looked for mutations in healthy tissue, and focused on 60 genes known to be a major cause of at least some forms of the disease.

According to the Centers for Disease Control and Prevention (CDC), stroke is the fifth leading cause of death in the U.S. and a major cause of adult disability.

It has been theorized that the major cause of bleaching is the result of chloroplast damage due to heat stress, which results in the production of toxic, highly reactive oxygen molecules during photosynthesis.