Washington, Jan 28 : The heat generated by cities could affect temperatures a thousand miles away, warming some areas and cooling others, says an American study.
The extra "waste heat" generated from buildings, cars, and other sources in major Northern Hemisphere urban areas causes winter warming across large areas of northern North American and northern Asia.
Washington, Jan 28 : Geneticists have figured out how parents' transmit their experiences, both good and bad, to the genes of their offspring.
Epigenetics probes how environmental factors play an active role in activating or deactivating genes by means of chemical tags, which tagged to the DNA, tell a cell to use or ignore a particular gene.
Washington, Jan 28 : US scientists have linked poor sleep with memory loss and cognitive deterioration as we age, opening the door to therapies for better sleep and recall capacity.
Washington, January 28 : Researchers have used skin cells from patients with an inherited heart condition known as arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) to recreate the adult-onset disease in a laboratory dish -- producing the first maturation-based disease model for testing new therapies.
Washington, January 25 : Inflammation during early pregnancy may be put offspring at an increased risk of autism, according to a new study.
Researchers found this in children of mothers with elevated C-reactive protein (CRP), a well-established marker of systemic inflammation.
Washington, Jan 25 : After a new study found a link between tattooing and hepatitis C, researchers are hoping that people will do some thinking about where to get their body art.
According to co-author Dr. Fritz Francois of New York University Langone Medical Center, people with the virus were almost four times more likely to report having a tattoo, even when other major risk factors were taken into account, Fox News reported.
Washington, Jan 25 : An engineered peptide could kill an entire category of highly resistant bugs that are behind potentially lethal infections such as pneumonia and sepsis.
The synthetic drugs acts by shredding and dissolving their double-layered membranes, believed to shield these gram negative bugs from antibiotics, which include E. coli and those that cause gonorrhea, typhoid fever, cholera, syphilis, plague, and Lyme disease.
Washington, Jan 25 : Females exposed to Bisphenol A (BPA) through the mother's diet during gestation and lactation develop hyperactivity and have a leaner body mass than those not exposed to the chemical, says a new study.
Washington, Jan 25:A low-cost device, known as the mChip, would speed up HIV diagnosis manifold and help provide the world's remote areas with lab-quality diagnostic services available only in bigger cities.
Washington, January 24 : Plain packaging of tobacco products would cut smoking, experts suggest. For the study, 33 tobacco control experts from the UK (14), Australasia (12) and North America (7) were recruited.
Professionals in these regions were targeted because these countries are currently considering (or have recently implemented) plain packaging for tobacco products.
Washington, January 23 : When there is a perception of tough times, people tend to seek higher-calorie foods that will keep them satisfied longer, according to a new study.
When subconsciously primed with such messages, a "live for today" impulse is triggered causing people to consume nearly 40 percent more food than when compared to a control group primed with neutral words.
Washington, January 23 : A study has found that women with hypertensive disorders during pregnancy are at higher risk of chronic kidney disease and end-stage renal disease compared with women without the disorders.
Washington, Jan 23 : A bout of flu may prompt people to post their symptoms on Twitter and also enable health officials track the outbreak in real time, says a new study.
Washington, January 22 : A study of over a thousand women has suggested that two aspects of perfectionism are involved in body dissatisfaction and the development of eating disorders.
Adaptive perfectionism is high standards driving a person towards achieving a goal body image, and maladaptive perfectionism is concerned with mistakes and other people''s opinions.
Washington, January 22 : There are many occupations that are thought to cause asthma in adults, according to researchers.
In a new study, the start of asthma in adulthood was clearly linked to 18 types of job, and the strongest evidence seems to be for jobs involving cleaning or cleaning agents.
Washington, Jan 18 - Athleticism may be linked to larger brain size. The lab of Theodore Garland from the University of California, Riverside, measured the brain mass of these uniquely athletic house mice, bred for high voluntary wheel-running, and analysed their high-resolution brain images.
Washington, January 17 : In a new study, researchers have identified the cell signalling pathway used by parasitic diseases like malaria and toxoplasmosis to escape from and destroy their host cells and infect new cells, pointing the way toward possible new strategies to stop these diseases in their tracks.
Washington, January 16 : Reducing sugar intake has a small but significant effect on body weight in adults, researchers say.
Although the effect is relatively small, the findings provide some support for international guidelines to cut sugar intake to less than 10 percent of total energy to help reduce the global obesity epidemic.
Washington, January 16 : Researchers have come up with a technique to embed needle-like carbon nanofibers in an elastic membrane, creating a flexible "bed of nails" on the nanoscale that opens the door to development of new drug-delivery systems.
The research community at North Carolina State University is interested in finding new ways to deliver precise doses of drugs to specific targets, such as regions of the brain.
Washington, January 16 : Stress has an insidious effect on our lives - taking a toll on our physical, emotional and relationship health, probably more than we realize.
Stress can adversely affect our sex lives as well, the Huffington Post reported.
Washington, January 15 : New research has found that eating diets high in sugar and fat may not affect the health outcomes of older adults aged 75 and above, suggesting that placing people of such advanced age on overly restrictive diets to treat their excess weight or other conditions may have little benefit.
Washington, January 15 : Ageing women are almost all the time too embarrassed about their bodies, because they fell they are no longer the same as they were at the onset of a relation, but experts have revealed a few things that men will never be thinking about while getting intimate.
Washington, Jan 14 : The tumor suppressor gene p53 is the single most frequently mutated gene in human tumors, as it keeps pre-cancerous cells in check by causing cells, among other things, to become senescent – aging at the cellular level.
Loss of p53 causes cells to ignore the cellular signals that would normally make mutant or damaged cells die or stop growing.
Washington, Jan 14 : Physicians may soon have a new and easy way to screen the esophagus, or gut, for a precancerous condition caused by chronic exposure to stomach acid, according to an American study.
Washington, Jan 14 : Female teens, who have been abused or neglected are vulnerable to greater risks, especially after online encounters, says an American study.
It shows that 30 percent of such teens reported meeting people after online chats, without confirming their identity.