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Carbon nanotubes detect lung cancer markers in the breath

Using an array of nanotube devices, each coated with a different organic material, researchers at the Israel Institute of Technology have developed diagnostic system that may be able to diagnose lung cancer simply by sampling a patient's breath. The results of this study, which was led by Hossam Haick, Ph.D., appear in the journal Nano Letters.

20 Nov 2008

Common ADHD drugs do not cause genetic damage in children

In contrast to recent findings, two of the most common medications used to treat attention deficit hyperactivity disorder (ADHD) do not appear to cause genetic damage in children who take them as prescribed, according to a new study by researchers at the National Institutes of Health (NIH) and Duke University Medical Center.

19 Nov 2008

Smoking causes bladder cancer

The Great American Smokeout is this Thursday, and the American Urological Association (AUA) gives smokers another good reason to quit: Smoking causes bladder cancer.

17 Nov 2008

One in four Gulf war veterans suffers from illness caused by toxic exposure

At least one in four of the 697,000 U.S. veterans of the 1991 Gulf War suffer from Gulf War illness, a condition caused by exposure to toxic chemicals, including pesticides and a drug administered to protect troops against nerve gas, and no effective treatments have yet been found, a federal panel of scientific experts and veterans concludes in a landmark report released Monday.

17 Nov 2008

Tobacco companies trying to market new smokeless, spitless tobacco products to young adults

New research at West Virginia University is examining whether a smokeless, spitless tobacco product aimed at young adults is catching on.

17 Nov 2008

Nanoparticles may alter cell structure and pose health risks

Nanoparticles that are one milliard of a metre in size are widely used, for example, in cosmetics and food packaging materials.

16 Nov 2008

How household bleach kills bacteria

Despite the fact that household bleach is commonly used as a disinfectant, exactly how it works to fight bacteria remained an open question.

16 Nov 2008

Cigarette smoke may reshape the left ventricle

Prolonged exposure to cigarette smoke can increase levels of the stress hormone norepinephrine and enzymes in the heart that have the potential to reshape the left ventricle, according to new research at the University of Illinois at Chicago.

16 Nov 2008

Plants shown to accumulate nanoparticles in tissues

Researchers at the University of Delaware have provided what is believed to be the first experimental evidence that plants can take up nanoparticles and accumulate them in their tissues.

12 Nov 2008

Light triggers a new chemical code for brain cells

Brain cells can adopt a new chemical code in response to cues from the outside world, scientists working with tadpoles at the University of California, San Diego report in the journal Nature this week.

12 Nov 2008

Strong relationship found between allergies and cancer in environmentally exposed tissues

There may be a silver -- and healthy -- lining to the miserable cloud of allergy symptoms: Sneezing, coughing, tearing and itching just may help prevent cancer -- particularly colon, skin, bladder, mouth, throat, uterus and cervix, lung and gastrointestinal tract cancer, according to a new Cornell study.

12 Nov 2008

Joyful music has a healthy effect on blood vessel function

Listening to your favorite music may be good for your cardiovascular system.

11 Nov 2008

High-fat diet during pregnancy makes new cells in fetal brain that cause early onset obesity

A study in rats shows that exposure to a high-fat diet during pregnancy produces permanent changes in the offspring's brain that lead to overeating and obesity early in life, according to new research by Rockefeller University scientists.

11 Nov 2008

Fifteen minute walk can reduce food cravings

Researchers at the University of Exeter have found that a walk of just fifteen minutes can reduce chocolate cravings.

11 Nov 2008

Fatty diet during pregnancy produces new neurons in fetal brain

11 Nov 2008

Protein called TIM-3 turns off HIV-fighting T cells

In HIV-infected patients the body's immune system is unable to fight off the virus.

11 Nov 2008

New evidence of an environmental trigger for autism

The American Medical Association journal Archives of Pediatrics & Adolescent Medicine has published a new study by researchers at Cornell University indicating evidence of an environmental trigger for autism among genetically vulnerable children.

10 Nov 2008

New hypothesis on feeling sleepy

Feeling sleepy? That's because parts of your brain are actually asleep, according to a new theoretical paper by sleep scientists at Washington State University.

8 Nov 2008

Dermatitis management

Although the variety of substances that can cause contact dermatitis is almost limitless, it often can be effectively managed with the proper diagnosis and treatment according to investigators presenting the latest research at the annual meeting of the American College of Allergy, Asthma and Immunology (ACAAI) in Seattle.

7 Nov 2008

Newly discovered protein may help explain tuberculosis' resiliency

Weill Cornell scientists have located a protein produced by the tuberculosis bacterium that may tell researchers more about how the invader lives so resiliently inside of the body.

6 Nov 2008