Food allergies are more than a dietary restriction. Here's what millions living with these diagnoses need people to know and ...

Add Yahoo as a preferred source to see more of our stories on Google. Some people say they're 'allergic to their period.' Here's what to know about the autoimmune skin condition that causes it.

About 17 million people in the U.S. have an IgE-mediated food allergy, a condition where the immune system overreacts to ...

We’ve all met people who seem to set us off for no reason at all. Maybe it’s a boss whose presence gives you a headache, or that person at a party who somehow makes you want to sneeze. It turns out ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Add Yahoo as a preferred source to see more of our stories on Google. We asked the BuzzFeed Community to share pictures and stories of their worst allergic reactions ever. Here are the truly wild ...

The holidays are a time for people to get together and share food. However, if you are hosting people with food allergies, there are a few things to keep in mind. The holidays are a time for friends, ...

Doctors warn common allergy pills may quietly affect appetite during hay fever season.

Autoimmune progesterone dermatitis is a rare condition that can occur when progesterone rises during a woman's menstrual cycle. It can cause a physical reaction that may present differently depending ...