Why does the body deem some foods safe and others unsafe?
LA JOLLA (March 6, 2026)—In little moments like when sipping coffee or licking an ice cream cone, it doesn’t seem like your body is pulling off a biological miracle. But it is. That cookie is not you—yet when you put it in your mouth, your body is able to tolerate it and process it without any detriment to your health in a process called oral tolerance. How does the human body make that decision between tolerance and rejection?
A study led by Stanford University scientists—including first and co-corresponding author ...