Will Stone

If left untreated, soft tissue can die and the leg may need to be amputated.

Dr. Anthony Petrosini is an orthopedic surgeon at Hackensack Meridian Jersey Shore University Medical Center who was not involved in Vaughn's care.

Vaughn underwent surgery last week in the U.S.

and will be in a wheelchair for some time.

Will Stone, NPR News.

The Rand Drug Policy Research Center asked more than 10,000 adults about psychedelics.

Based on those responses, the researchers found that psilocybin, the active ingredient in magic mushrooms, was by far the most widely used substance.

Other popular psychedelics were MDMA, ketamine, and LSD.

Many people said they microdose.

While there's no single definition, generally that amounts to taking about 10 percent or less of a regular dose that would produce mind-altering effects.

Proponents of microdosing often say they do it to improve their mood, relieve anxiety and depression, or promote creativity.

However, there's not much high-quality research data on microdosing.

Will Stone, NPR News.

The move affects schools that participate in the National School Lunch Program, and it reflects the recent changes to the U.S.

dietary guidelines.

which now promote higher-fat dairy products.

Kids will be able to drink all kinds of milk — whole, 2 percent and 1 percent fat, skim milk, as well as lactose-free options.

The United States Department of Agriculture said in a release that it will begin to implement the changes immediately.

concerns about whole milk have largely centered on its saturated fat content and higher amount of calories.

However, some nutrition researchers have pushed back on the recommendation in recent years, saying it's not clear from the evidence that the saturated fat in dairy is all that bad for you.