Health & Medicine
- Health & Medicine
Rogue immune cells can infiltrate old brains
Killer T cells get into older brains where they may make mischief, a study in mice and postmortem human brain tissue finds.
- Health & Medicine
California’s new vaccine rules kept more kindergartners up-to-date
Three statewide interventions improved the rates of kindergartners behind on required vaccinations in California, researchers report.
- Health & Medicine
Vision cells can pull double duty in the brain, detecting both color and shape
Neurons in a brain area that handles vision fire in response to more than one aspect of an object, countering earlier ideas, a study in monkeys finds.
- Health & Medicine
In mice, a high-fat diet cuts a ‘brake’ used to control appetite
A fatty diet changes the behavior of key appetite-regulating cells in a mouse brain.
- Health & Medicine
Antioxidants may encourage the spread of lung cancer rather than prevent it
Antioxidants protect lung cancer cells from free radicals, but also spur metastasis, two new studies suggest.
- Health & Medicine
Thick calluses don’t make feet any less sensitive
Bare feet that develop thick calluses are just as sensitive as shoe-clad feet, a study in Kenya finds.
- Health & Medicine
3-D mammograms are popular, but are they better than 2-D?
The use of digital breast tomosynthesis, a newer breast cancer screening technology with limited evidence, has risen in recent years.
- Microbes
Gut microbes might help elite athletes boost their physical performance
Veillonella bacteria increased in some runners’ guts after a marathon, and may make a compound that might boost endurance, a mouse study suggests.
- Health & Medicine
New approaches may help solve the Lyme disease diagnosis dilemma
Lyme disease is hard to detect, but scientists are investigating new diagnostic approaches.
- Health & Medicine
Rotavirus vaccines may lower kids’ chances of getting type 1 diabetes
Vaccination against rotavirus is associated with a reduced incidence of type 1 diabetes in children, according to an analysis of U.S. insurance data.
- Life
Norovirus close-ups might help fight stomach flu
Detailed views of a common stomach virus that causes vomiting and diarrhea could aid vaccine and disinfectant development.
- Science & Society
Science hasn’t managed to span the diagnosis gap
Editor in Chief Nancy Shute discusses how scientists are devising better diagnostic tools to detect diseases.
