Allergies, blood and immune system – articles and advice

Itchy eyes, sneezing, or hives? Allergies can affect your daily life in unexpected ways. Find out what triggers them and how to manage your symptoms.

A food allergy is a harmful immune system response, causing symptoms like swelling, wheezing, or rash to appear quickly, while an intolerance is a digestive issue that does not involve the immune system and typically causes slower-developing symptoms like bloating, gas, or stomach pain.

Hay fever, or allergic rhinitis, is a common allergy caused by pollen that results in symptoms like sneezing, a runny or blocked nose, and itchy, watery eyes.

Your blood keeps every part of your body alive and well. Discover how it works, what common disorders exist, and when to get things checked.

Your immune system is your body’s personal bodyguard. Learn how it protects you, what weakens it, and what to do when it’s not working properly.