Optometrists are lobbying for more leeway to treat patients — and physicians' groups are pushing back. But it's more than a turf war, both sides say, as they explain why patients' vision is at stake.

Some question the need for a costly pill that's basically made of peanut flour. But with standardized capsules, more peanut allergy sufferers could gain access to a treatment now available to few.

Researchers are learning that attitude can have measurable effects on health. For a food allergy therapy, thinking of stressful side effects as positive signals helped patients complete the treatment.

Many parents of kids with life-threatening food allergies live with fear, EpiPen in hand. Some are trying oral immunotherapy, a treatment that can help patients build tolerance to foods like peanuts.

A research start-up is connecting parents with scientists in hopes of sparking new research on diseases whose survival rates and treatment options haven't budged in 30 years

Now she knows they can. Mireille Kamariza, who grew up in Burundi, is a graduate student at Stanford, working on a promising new test to detect the TB bacteria.

Doctors, hospitals and entrepreneurs say drones could become a faster, cheaper way to deliver medical tests. But there are a lot of details to be worked out before your blood test hits the runway.

Babies are much less likely to get the flu in their first months of life if mom got a flu shot while she was pregnant, a study finds. Yet most expectant mothers don't get immunized.

In a vote of confidence for citizen science, researchers who created an online RNA-folding game launched the project's first challenge aimed at a disease — creating a better tuberculosis test.