الأحد، 4 أكتوبر 2015

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Lead exposure in mothers can affect future generations

Posted: 02 Oct 2015 04:17 PM PDT

Researchers have discovered that mothers with high levels of lead in their blood not only affect the fetal cells of their unborn children, but also their grandchildren.

Online e-cigarette vendors engage customers using popular internet tools

Posted: 02 Oct 2015 04:17 PM PDT

First introduced in the United States in 2007, electronic cigarettes have risen dramatically in part because they are popularly considered safer and more socially acceptable than combustible cigarettes and because there are fewer restrictions on their purchase and use. A study now points to aggressive online marketing tactics that make purchasing e-cigarettes easy for all ages.

Researcher calls for changes to colorectal cancer screening guidelines

Posted: 02 Oct 2015 04:17 PM PDT

Colorectal cancer will claim the lives of close to 50,000 Americans this year, according to the American Cancer Society. Screening is the most effective way to reduce the risk of dying from the disease, yet as a physician argues in a recent editorial, current recommendations to screen older people with a family history of colorectal cancer, specifically with colonoscopy every five years, is not justified for most patients.

FDA approves game-changing immunotherapy drug to fight lung cancer

Posted: 02 Oct 2015 12:26 PM PDT

The U.S. Food and Drug Administration has approved the breakthrough drug Keytruda to treat advanced non-small cell lung cancer, signaling a paradigm shift in the way the deadliest of all cancers is treated.

Self-propelled powder designed to stop severe bleeding

Posted: 02 Oct 2015 11:49 AM PDT

Researchers have created the first self-propelled particles capable of delivering coagulants against the flow of blood to treat severe bleeding, a potentially huge advancement in trauma care.

Fatty liver disease and scarring have strong genetic component

Posted: 01 Oct 2015 01:50 PM PDT

Hepatic fibrosis, which involves scarring of the liver that can result in dysfunction and, in severe cases, cirrhosis and cancer, may be as much a consequence of genetics as environmental factors.

Research shows a cause of gastrointestinal symptoms in Type 1 diabetes

Posted: 01 Oct 2015 01:50 PM PDT

A molecular basis has been found for why 80 percent of patients with longstanding Type 1 diabetes have chronic gastrointestinal symptoms including gastroparesis (delayed emptying of food), irritable bowel syndrome, abdominal distension and fecal incontinence, significantly reducing their quality of life.

New study removes cancer doubt for multiple sclerosis drug

Posted: 01 Oct 2015 01:50 PM PDT

Researchers are calling on the medical community to reconsider developing a known drug to treat people with relapsing multiple sclerosis (MS) after new evidence shows it does not increase the risk of cancer as previously thought.

Brain chemical aids tic control in Tourette Syndrome, say researchers

Posted: 01 Oct 2015 09:56 AM PDT

A chemical in the brain could potentially be harnessed to help young people with Tourette Syndrome to overcome the physical and vocal tics associated with the neurological disorder, say researchers.

Glutamate: Essential food for the brain

Posted: 01 Oct 2015 09:56 AM PDT

Glutamate is an amino acid with very different functions: in the pancreas, it modulates the activity of the pancreatic ß--cells responsible for insulin production, whereas in the brain it is the main excitatory neurotransmitter. In recent years, it has been suspected to play an additional role in the functioning of the brain. By discovering how the brain uses glutamate to produce energy, researchers confirm this hypothesis and highlight unexpected links with the rest of the body.

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