Healthrivex | Daily Health Tips on Instagram: "Ever seen a baby with an unusually large head? This animation explains a condition called hydrocephalus, or "water on the brain". Our brains are surrounded by cerebrospinal fluid, which cushions and protects them. Normally, this fluid flows freely, but sometimes a blockage occurs, trapping the fluid inside the skull. As the fluid builds up with nowhere to go, it causes the brain to swell and the head to expand. The doctor explains that surgery is ne