Harry’s Hydrocephalus Awareness Trust (Harry’s HAT)

Harry's Hydrocephalus Awareness Trust (Harry's HAT) is a small, family‑led UK charity dedicated to improving the lives of children living with hydrocephalus, and the families that love and care for them.

This life‑threatening condition - often referred to as “water on the brain” - is the most common reason for brain surgery in children. It affects around 1 in every 770 babies in the UK, and although treatments exist, there is currently no...