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New map of natural hazard mortality in the United States

The map, featured in BioMed Central's open access International Journal of Health Geographics, gives a county-level representation of the likelihood of dying as the result of natural events such as floods, earthquakes or extreme weather.

16 Dec 2008

Researchers hunt for new drugs for Leishmaniasis

Hundreds of millions of people, mainly in developing countries, are disabled by infectious diseases, according to the World Health Organization.

16 Dec 2008

Tiny magnetic crystals in bacteria are a compass

Scientists have shown that tiny crystals found inside bacteria provide a magnetic compass to help them navigate through sediment to find the best food, in research out today.

16 Dec 2008

Tips for preventing heel pain, pinched nerves and sore Achilles tendons

You've signed up for the gym membership. You've bought new workout clothes and shoes. You've made a promise to yourself to stick to your New Year's resolution to exercise and lose weight. You hit the gym, you work out hard for a week, then you wake up one morning and pain is shooting through your heel.

16 Dec 2008

Antidepressants most common medicine for Australian women

A new study has revealed the most commonly prescribed medication for Australian women is antidepressants.

16 Dec 2008

Smoking significantly linked to increased risk for colorectal cancer

An analysis of previous studies indicates that smoking is significantly associated with an increased risk for colorectal cancer and death, according to an article in the December 17 issue of JAMA, the Journal of the American Medical Association.

16 Dec 2008

Scientists fool bacteria into programming own death

Like firemen fighting fire with fire, researchers at the University of Illinois and the University of Massachusetts at Amherst have found a way to fool a bacteria's evolutionary machinery into programming its own death.

16 Dec 2008

Researchers find brain's reward and stress signaling circuits are intertwined in complex ways

Vanderbilt University Medical Center investigators have now discovered a functional link between reward and stress. They found that dopamine - the brain's chief reward signal - works through corticotrophin-releasing factor (CRF) - the brain's main stress signal - to increase the activity of a brain region involved in addiction relapse.

16 Dec 2008

New anti-tumor gene called SARI

Researchers from Virginia Commonwealth University have identified a new anti-tumor gene called SARI that can interact with and suppress a key protein that is overexpressed in 90 percent of human cancers.

16 Dec 2008

Discovery of new way a man can transmit the HIV virus to a woman

Scientists had long believed that the normal lining of the female vaginal tract was an effective barrier to invasion of the HIV virus during sexual intercourse. They thought the large HIV virus couldn't penetrate the tissue.

16 Dec 2008

Researcher refines aptamers to prevent HIV resistance

Evolving HIV viral strains and the adverse side effects associated with long-term exposure to current treatments propel scientists to continue exploring alternative HIV treatments.

16 Dec 2008

Real-time gene monitoring

Imagine having GeneVision: the uncanny ability to view the activity of any chosen gene in real time through a specially modified camera.

16 Dec 2008

Prostate cancer discovered in 40% of men who test negative for the disease

Forty percent of men with prostate cancer may not even know they have it, according to a new research study by the Prostate Cancer Foundation of Chicago.

16 Dec 2008

Nutraceutix issued Australian patent

The Australian Patent Office has issued Nutraceutix, Inc. a patent for BIO-tract.

16 Dec 2008

Pre-existing diabetes for persons diagnosed with cancer associated with increased risk of death

Patients with diabetes at the time of a cancer diagnosis have an increased risk of death compared to patients without diabetes, according to a meta-analysis of studies reported in the December 17 issue of JAMA, the Journal of the American Medical Association.

16 Dec 2008

Researchers develop natural, nontoxic method for biodegrading carbon nanotubes

University of Pittsburgh researchers have developed the first natural, nontoxic method for biodegrading carbon nanotubes, a finding that could help diminish the environmental and health concerns that mar the otherwise bright prospects of the super-strong materials commonly used in products, from electronics to plastics.

16 Dec 2008

People with blindness from cataract are poorer than those with normal sight

A new study conducted in three developing countries-Kenya, the Philippines, and Bangladesh-finds that people with cataract-induced visual impairment are more likely to live in poverty than those with normal sight.

16 Dec 2008

Non-invasive stool-based DNA screening for colon cancer recognized more broadly as standard of care

EXACT Sciences Corporation today commented on the addition of non-invasive stool-based DNA (sDNA) testing to the state colorectal cancer screening mandates of New Jersey and Maryland, as well as the decision by CIGNA, one of the nation's largest insurers, to include sDNA screening among its covered benefits nationally.

16 Dec 2008

Study to examine how breastfeeding impacts cost of healthcare for very low birth weight babies

The National Institutes of Health (NIH) has awarded nearly $3 million to support Rush University Medical Center's study analyzing how human breast milk impacts the health outcomes and health care cost savings for very low birth weight infants – babies less than 1500 grams.

16 Dec 2008

New system of scoring IQ tests taken by children with fragile X syndrome

Parents of children with intellectual disabilities have long been frustrated by intelligence quotient (IQ) testing that tells them little to nothing about the long-term learning potential of their children.

16 Dec 2008