
Allergies, blood and immune system
Allergies
Of all the invisible medical conditions you can be affected by, allergies such as hay fever or a food intolerance can be the hardest to live with. It's all linked to your immune system, and we've got lots of expert insight to help you understand how the body's natural defence mechanism works.

Allergies, blood and immune system
Hay fever
by Dr Doug McKechnie, MRCGP

Allergies, blood and immune system
Immunosuppression
by Dr Philippa Vincent, MRCGP

Allergies, blood and immune system
Anaemia
by Dr Hayley Willacy, FRCGP

Allergies, blood and immune system
Folic acid deficiency
by Dr Rosalyn Adleman, MRCGP