Health & Medicine
- 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.
- Health & Medicine
When fighting lice, focus on kids’ heads, not hats or toys
Learning a little about lice makes for a more efficient battle against the bugs.
- Animals
Bats are the main cause of rare rabies deaths in the U.S.
In the United States, bats are mostly to blame for rabies deaths, while rabies transmitted by overseas dogs comes in second.
