The groundwater in San Antonio de los Cobres in northwestern Argentina averages around 200 micrograms of arsenic per liter, 20 times the level deemed acceptable by the World Health Organization. A genetic analysis reveals that people from this region have different genes for the liver enzyme that breaks down arsenic than do people...
03/05/2015 - 08:00
A vaccine against hepatitis E shows potent, long-lasting protection against the virus. The finding from a huge study in China could clear the way for other countries to adopt the shots against hepatitis E, which is most commonly spread through tainted water.“I consider this to be extremely important for the field,” says Heiner Wedemeyer, a physician and hepatitis researcher at Hanover Medical...
03/04/2015 - 17:00
Clinical Trials, Health, Biomedicine
A new round of dietary do’s and don’ts accompanied last month’s scientific report on the latest food research, summarizing everything from aspartame to saturated fats. The report puts eggs back on the menu. High dietary cholesterol is no longer linked to blood...
03/04/2015 - 15:13
News in Brief
Boosting oxygen in the air helped mice with cancer battle lung and breast tumors.Normal air contains 21 percent oxygen. Raising oxygen concentrations to 60 percent energized immune cells to shrink tumors in mice, researchers report in the March 4 Science Translational Medicine. About 40 percent of cancer-...
03/04/2015 - 14:00
Cancer, Immune Science, Biomedicine
Newly discovered brain cells in monkeys can predict another monkey’s actions in a cooperation game. If such brain cells also exist in humans, they may be important in social interactions that require calculating another person’s intentions.The brain cells were found in rhesus macaques playing a video game called the prisoner’s dilemma. The cells keep track of how other monkeys behaved in previous...
03/03/2015 - 08:00
Nearly all pediatricians and family physicians have encountered parents who want to delay their infants’ vaccinations, a study published March 2 in Pediatrics suggests. A national survey of 534 doctors showed that in a typical month, 93 percent of doctors have interacted with parents who...
03/02/2015 - 16:47
News in Brief
HOUSTON — Children born to mothers who were exposed to secondhand tobacco smoke during pregnancy face an elevated risk of eczema and other skin problems in childhood.Elementary school children exposed to smoke in the womb were 50 percent more likely to have any history of atopic dermatitis than unexposed kids, scientists in South Korea found using blood tests and questionnaires about prenatal...
03/01/2015 - 08:00
Health, Immune Science, Human Development
News in Brief
HOUSTON — Early breast-feeding accompanies a lower risk of pet allergy, possibly because of the way breast milk steers the composition of an infant’s gut microbe mix.Scientists find that formula-fed newborns have a kind of gut bacterium at levels typically not seen until later in babyhood. These kids also had more signs of pet allergy years later than did breast-fed children, researchers...
02/27/2015 - 15:26
Human Development, Health, Immune Science
A federal vaccine advisory committee voted February 26 to recommend use of an expanded version of the human papillomavirus shot marketed as Gardasil.The move, by the Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices, clears the way for the broader-coverage vaccine, called Gardasil 9, to be used in the clinic. Current vaccines offer protection against up to...
02/26/2015 - 18:44
Health, Science & Society
Laura Sanders is away on maternity leave.Give a toddler an iPhone and 10 minutes, and she’ll take at least 50 selfies and buy a car on eBay. Give her an iPad, and she’ll stumble upon decidedly non-kid-friendly episodes of Breaking Bad.With smartphones and tablets, children are exposed to an unprecedented amount of screen...
02/26/2015 - 16:00
Human Development, Neuroscience