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Taco Bell :: FDA Narrows Investigation of E. Coli O157:H7 Outbreak at Taco Bell Restaurants

The Food and Drug Administration (FDA) today narrowed its investigation of an outbreak of E. coli O157:H7 infections linked to Taco Bell restaurants in Northeastern states by focusing its efforts on finding the sources of shredded lettuce served at the stores. This new focus is based on the fact that three items — shredded lettuce, cheddar cheese and cooked ground beef — were implicated in a study conducted by the U.S. Centers of Disease Control and Prevention (CDC) as the items most likely to have been the vehicles of pathogen (disease-causing agent) transmission in this outbreak. Based on a number of other factors, as well as food processing techniques used for cheese (pasteurization) and ground beef (cooking), lettuce is considered overall to be the single most likely source of the outbreak at this time.

Diabetes :: Drug treatment slows macular vision loss in diabetics

A drug commonly used to slow the loss of central vision has shown promise in stemming a common precursor of blindness in diabetics, which involves the same central light-sensitive area of retina, Johns Hopkins Wilmer Eye Institute scientists report.

DNA :: Underground air might cause DNA damage

Our everyday environments are full of airborne particles that are harmful to varying degrees when inhaled. Particularly damaging to our cellular DNA are the particles from the underground system in Stockholm, Sweden, according to a new doctoral thesis from Karolinska Institutet.

Diabetes :: Linchpin discovered in insulin metabolism

Scientists at the University of Bonn have identified a new gene which could play an important role in the development of diabetes. Flies in which this hereditary factor is defective are also significantly smaller than other members of their species and live appreciably longer. In the current issue of the prestigious journal Nature the Bonn researchers have published two articles on this topic.

DNA :: Researchers barcode DNA of Venice museum’s vast fungi collection

UC Berkeley researchers are partnering with the Venice Museum of Natural History to build an unprecedented DNA database of its vast fungi collection. More than 6,000 species will be sequenced and analyzed, and then made available to the scientific community.

Diet :: Intelligent children become vegetarians later in life

Intelligent children are more likely to become vegetarians later in life, a study reported in the British Medical Journal. A Southampton University team found those who were vegetarian by 30 had recorded five IQ points more on average at the age of 10.

Cancer :: How NSAIDs halt cancer growth explained

Scientists have discovered that induction of a gene known as MDA-7/IL-24 is the molecular mechanism that enables nonsteroidal anti-inflammatory drugs (NSAIDs) to halt the growth of cancer cells, a finding that could eventually lead to the development of targeted cancer treatments.

Malaria :: PATH Malaria Vaccine Initiative, Sanaria to develop novel malaria vaccine

In a move that promises to expand the types of malaria vaccine candidates in clinical development, the PATH Malaria Vaccine Initiative today announced a new partnership with Sanaria Inc., a Maryland company, to accelerate development of a unique malaria vaccine candidate.

Diet :: National survey on the dietary pattern – India

India for the first time will conduct a national survey on the dietary pattern of its population that will help in making health and food related policies.

Eating :: Study finds gender differences related to eating and body image

Researchers have discovered a subtle new difference between men and women — this one occurring in the realm of eating.