Many foods contain high histamine levels, including alcohol, aged cheeses, and fermented products. Certain medications and health conditions can also cause a histamine imbalance. Histamine is a ...

When you hear the word "histamine," you might think of Benadryl—and you'd be right: Antihistamine drugs like Benadryl are used when the body produces histamines in reaction to an allergen. Histamines ...

You might not associate an allergy attack or seasonal sniffles with a weekly workout — but a chemical in the body ties them together in one unexpected way, suggests new research. A study released ...