Histamine is a biogenic amine released predominantly by mast cells and basophils during immediate hypersensitivity reactions. Four receptor subtypes (H1–H4) mediate its diverse effects, with the H1 ...

New research from King's College London and the University of Porto has mapped the histamine system in the brain. Histamine, a molecule more commonly associated with allergies, plays a separate but ...

The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

A drug that raises levels of histamine – the chemical that causes allergy symptoms – in the brain boosts our memory by around ...

Scientists have uncovered a surprising new pathway behind life-threatening food allergies. Instead of histamine, a different chemical called leukotrienes drives severe reactions in the gut. These ...

Allergic inflammation plays a big role in allergy reactions and contributes to the itching and chewing commonly seen with allergies. Histamine is an important part of this inflammatory process. The ...

Is there really a mushroom that can help hay fever? The discovery dates back to ancient times.

For years, reactions to histamine-rich foods like red wine, aged cheeses, and dark chocolate were dismissed as vague "sensitivities" or even psychosomatic quirks in mainstream medicine. Histamine ...

The relationship between food allergies and chronic illness represents one of the most significant yet underappreciated connections in modern health care. While conventional medicine has long ...