Vocabulary protects against cognitive impairment TEHRAN (FNA)- Some people suffer incipient dementia as they get older. To make up for this loss, the brain's cognitive reserve is put to the test. Researchers have studied what factors can help to improve this ability and they conclude that having a higher level of vocabulary is one such factor. 'Cognitive reserve' is theRead more

Our mood can affect how we walk -- slump-shouldered if we're sad, bouncing along if we're happy. Now researchers have shown it works the other way too -- making people imitate a happy or sad way of walking actually affects their mood. Subjects who were prompted to walk in a more depressed style, with less arm movement and their shouldersRead more

 Scientists found hidden signatures in the brains of people in a vegetative state, which point to networks that could support consciousness even when a patient appears to be unconscious and unresponsive. The study could help doctors identify patients who are aware despite being unable to communicate. There has been a great deal of interest recently in how much patients inRead more

Sugared soda consumption, cell aging linked TEHRAN (FNA)- Sugar-sweetened soda consumption might promote disease independently from its role in obesity, according to UC San Francisco researchers who found in a new study that drinking sugary drinks was associated with cell aging. The study revealed that telomeres -- the protective units of DNA that cap the ends of chromosomes in cellsRead more

The number of overweight persons is greatly increasing worldwide - and as a result is the risk of suffering a heart attack, stroke, diabetes or Alzheimer's disease. For this reason, many people dream of an efficient method for losing weight. Scientists have now come one step closer to this goal. Researchers at the University of Bonn have discovered a newRead more

Australian scientists have found the incidence of foodborne illness has declined over the past decade but the two leading causes of hospitalization -- Salmonella and Campylobacter -- have increased significantly. Researchers from the Australian National University (ANU) released on Thursdaytracked the changes in foodborne illness in Australia between 2000 and 2010. They discovered that about a quarter of the 16Read more

Paleontologists in Brazil have discovered a new species of dinosaur that came to prominence in South America in the wake of the end-Triassic mass extinction event, the first of five major extinctions that shaped life on Earth. Unlike the Earth's most recent mass extinction -- the end-Cretaceous climatic transformation that killed off the dinosaurs some 67 million years ago --Read more

 Scientists at Ohio State University have fused a rechargeable battery with a solar cell, creating the world's first-ever solar battery -- a feat they've detailed in the latest issue of the journal Nature Communications. Researchers say their invention will make solar power use at home more efficient and inexpensive. "The state of the art is to use a solar panelRead more

Being curious about something actually changes the way the brain behaves, preparing it to learn something new. In fact, a piqued interest doesn't just ready the brain for the immediately relevant learning material, but also enable our brains to better absorb incidental information too. In other words, curiosity is a magic elixir that greases our intellectual gears. That's the takeaway,Read more

People might not realize how setting affects eating decisions. According to a new study, eating with an overweight person makes people choose to eat more unhealthy foods. Researchers from Cornell University's Food and Brand Lab and the Mayo Medical Clinic invited 82 college students to eat a lunch consisting of spaghetti and salad, and they were divided into four groups.Read more