Category: Health News

Vitamin A appears helpful in pediatric retinitis pigmentosa

(HealthDay)—For children with retinitis pigmentosa, vitamin A supplementation is associated with slower loss of cone electroretinogram amplitude, according to a study published online March 29 in JAMA Ophthalmology. Eliot L. Berson, M.D., from Harvard Medical School in Boston, and colleagues conducted a nonrandomized comparison study involving children with retinitis pigmentosa taking or not taking vitamin

Proper data analysis might be among Hurricane Maria’s casualties

The ability to use statistics to guide decision-making may be collateral damage of Hurricane Maria’s devastating blow to Puerto Rico, according to a Penn State demographer. In an article published today (April 2) in Health Affairs, Alexis Raúl Santos, the director of the graduate program in applied demography, said that a failure to properly account

Unraveling the immunopathogenesis of Johne’s disease

Researchers of Hokkaido University, the National Agriculture and Food Research Organization (NARO), and Tohoku University demonstrated that a physiologically active substance called prostaglandin E2 (PGE2) impairs the immune response by upregulating the expression of an immunoinhibitory molecule, programmed death-ligand 1 (PD-L1), in cattle affected with Johne’s disease. The discovery is expected to help develop a

Dietary supplement shows promise for reversing cardiovascular aging

Scientists have long known that restricting calories can fend off physiological signs of aging, with studies in fruit flies, roundworms, rodents and even people showing that chronically slashing intake by about a third can reap myriad health benefits and, in some cases, extend lifespan. From a public health perspective, that advice would be impractical for

Put your best feet forward, despite diabetes

(HealthDay)—If you have diabetes, it’s time to think about your feet. “Diabetes is a multisystem disease,” Dr. Ronald Lepow explained in a news release from the Baylor College of Medicine in Houston. “Circulation in the feet and legs may be diminished because there are problems with blood vessels that get narrowed or clogged as a

Optimistic Latinos have healthier hearts, study finds

Latinos who are the most optimistic are more likely to have healthy hearts, suggests a new study of more than 4,900 people of Latino/Hispanic ancestry living in the U.S. “Each unit increase in a Latino adult’s level of optimism was associated with 3 percent higher odds of meeting the criteria for ideal cardiovascular health across

Montreal Parkinson risk of dementia scale deemed accurate

(HealthDay)—The office-based, eight-item Montreal Parkinson Risk of Dementia Scale is a valid predictor of development of dementia, according to a study published online March 26 in JAMA Neurology. Benjamin K. Dawson, from McGill University in Montreal, and colleagues conducted a multicenter study using four diverse Parkinson’s disease cohorts with a prospective 4.4-year follow-up to examine