Beef’s Baffling Bite

When outdoorsy types began showing up in Emergency with serious allergic reactions to red meat, doctors were stumped. Then an oddball insect connection emerged.

Sulphites are Cooking Up Trouble

These chemical additives cause reactions that mimic allergy. But the reason why remains a puzzling mystery.

Allergens to Watch

From sesame to kiwi, lentils and more, new allrgy triggers are cropping up in the changing North American diet.