A Cup Of Tea May Protect Against Skin Cancer
... tea flavonoids and how they may help protect the body from potentially harmful substances called free radicals. UV rays generate free radicals in the skin, which in turn inflict damage on the skin cells' - causing some cells to become cancerous," he added. The researchers sounded a note of cautio...Gene Study Shows Mammals Lived Before Extinction Of The Dinosaurs
...or necessarilyresults in an underestimation. "The body structure of a fossilized animal hadto have evolved at some earlier date before its lifetime--in many cases, it wasmany generations and many millions of years earlier. But genes aredifferent--their clock-like mutations start ticking away as soon as ...Comprehensive Nutritional Status In Patients With Long-Standing Crohn Disease Currently In Remission
...men) and 32 matched healthy control subjects: 1 ) body composition, 2 ) dietary intake, 3 ) biochemica...centrations of magnesium and vitamin D. Percentage body fat and hamstring muscle strength were significantly lower in male CD patients than in control sub...Precursors To Red Blood Cells Form Earlier Than Previously Thought
...the yolk sac, and at what point they show upin the body of the embryo," said Jim Palis, M.D., associatepro...yolk sac is an organ outside of the forming embryo body thattransfers nutrients from the mother to the embryo before theplacenta is formed. The second wave ...Ulcer-Causing Bacteria Also May Be Associated With Heart Disease
...s say every effort was made to match the groups by body massindex -- a measure of fatness -- and socioeconomic class. The latter wasimportant, Pasceri says, because poorer people tend to get more infections thanthose with more financial resources. Even with this finding, Pasceri says that an ...Breakthrough: Scientists Create 3-D Map Of Cell Membrane Ion Pump At Near Atomic Resolution
... "Before you can understand how something in the body works, you have toknow what its structure is at the atomic level, and that's what we have beeninvestigating," said Dr. Gene A. Scarborough, professor of pharmacology at theUniversity of North Carolina at Chapel Hill School of Medicine. "The ion pump ...New Fossil Discoveries Clinch Ancient Age Of Human Ancestor
...sm--large differences between the sexes in overall body size and the shape of certain body parts such as teeth. "These males have very large canine teeth, while we humans have lost our ca......hnique, which involves placing the patient's lower body in avacuum, would let doctors know which of their patients with high blood pressurecould suffer a stroke if their blood pressure is lowered too much withmedication, said Dr. John Absher, assistant professor of neurology at the WakeForest University B...Schmidt-Nielsen Autobiography Details Scientific Adventures
...amels go for months withoutwater by allowing their body temperatures to rise without sweating, andby tolerating extreme dehydration that would kill most animals. He also has discovered how marine birds and turtles can ingest saltwater,protecting themselves by excreting the salt through special glands. An...Biggest Acoustics Meeting Ever
...tem to aid the transmission of nervesignals in its body (4aAB3). Wired by Words One of the most intriguing recent theories in psycholinguistics asserts that babies essentially form all thenerve-cell connections in the brain required to comprehend the sounds of their native language by the timethey are......ast for some liver disorders." Because the body is unable to conjugate and normally excrete bilirubin,patients with Crigler-Najjar disease develop jaundice and must spend 12 hours aday or longer receiving phototherapy, which helps degrade the bilirubin in theskin, so it can be cleared from the bod...Fetal Lead Exposure May Reduce Immunity
...ount of lead was comparable, given the rats' lower body weight, to levels that humans might receive in wat...s-and-balances realm of immunity, of a developing body that is ill-equipped to fend off infectious diseases and cancers while controlling the body's inclin...Remarkable Skull Of Predatory Dinosaur Unearthed On Madagascar
...best known for any dinosaur." With a total body length of almost 30 feet, Majungatholus was the toppredator of the time on Madagascar, likely feeding on the massive long-neckedsauropod dinosaurs also found there. Majungatholus was originally named for an isolated skull fragmentthought to b...Scientists Unearth Remains Of A Predatory Dinosaur In Madagascar
...ry studies of Majungatholus suggest it had a total body lengthof 7 to 9 meters and was the top predator of the time on Madagascar, likelyfeeding on the massive long-necked sauropod dinosaurs also found there. Majungatholus had a very unusual bone structure and facial features thatthe researchers ...Scientists Discover Proteins Which Help Set The Body's Clock
...hrome (CRY) 1 and 2 which were found in almost all body cellsstudied. CRY 1 is found in large amounts in a part of the brain known to controldaily, or circadian, rhythms. Dr. Sancar's lab didn't originally set out to find proteins controllingcircadian rhythms. The project began when researchers work......n ostrich like neck set on topof a cylinder-shaped body that moves on wheels. 'Sage' has the ability to detectand respond to the presence of people and lead them on a 15-minute tour of theDinosaur Hall using video and other information on demand in a multimediaformat. The tour will focus on speci...Does Mountain Living Slow Rate Of Molecular Evolution?
... can manifest themselves in altered body plans or behaviors. But what initially sparks those changes at the genetic level is largely unknown. The evidence that life at higher......n, in turn, can damage the lungs, liver, and other body systems. Although cardiomyopathy has been associated with many possible triggers, such as viral infections or alcohol abuse, the cause is usually unknown. Idiopathic (of unknown cause) dilated cardiomyopathy (IDC), affects an estimated 36 out of ......is one of the most important hormones in the human body becauseit regulates the body's blood sugar levels. In people with diabetes, insulin isnot produced in sufficient quantity, nor regulated properly. This metabolismdisorder impairs the body's ability to use digested food for growth and energy. ...