The Truth About the Brain Eating Amoeba

 
An amoeba known as Naegleria fowleri is a parasite that is harmful to humans during one of its three life stages. Kurzgesagt explains exactly how they can eat your brain. It's pretty gruesome. Our immune system will fight this amoeba, but that battle does more damage to the brain than to the parasite. After they scare you silly with the description of this deadly amoeba, they offer some encouraging facts to help you sleep tonight. Yeah, right. (via Kottke)