Los Angeles, California - New research from Keck Medicine of the University of Southern California (USC) bolsters evidence that exposure to tobacco smoke and near-roadway air pollution contribute to the development of obesity.

Los Angeles, California - As baby boomers reach their sunset years, shifting nationwide demographics with them, the financial burden of Alzheimer’s disease on the United States will skyrocket from $307 billion annually to $1.5 trillion, USC researchers announced Tuesday.

Cambridge, Massachusetts - MIT engineers have transformed the genome of the bacterium E. coli into a long-term storage device for memory. They envision that this stable, erasable, and easy-to-retrieve memory will be well suited for applications such as sensors for environmental and medical monitoring.

Atlanta, Georgia - Half of all premature deaths from colorectal cancer (described as deaths in people ages 25 to 64) in the United States are linked to ethnic, socioeconomic, and geographic inequalities, and therefore could be prevented according to a new study by American Cancer Society researchers. The report, which appears in the Journal of Clinical Oncology, found more preventable deaths occur in southern states than in northern and western states, but that in virtually all states those with the least education had significantly higher colorectal cancer death rates.

Dallas, Texas - Popular commercial diets can help you lose some weight in the short term, but keeping the weight off after the first year and the diet’s impact on heart health are unclear, according to a study published in Circulation: Cardiovascular Quality and Outcomes, an American Heart Association journal.

Washington, DC - Certain sunscreen chemicals used to protect against ultraviolent rays may impair men’s ability to father children in a timely manner, according to a study by the National Institutes of Health and the New York state Department of Health’s Wadsworth Center. But the researchers caution that the results are preliminary and that additional studies are needed to confirm their findings.