Yoinks! Do you know why your teeth chatter when you’re cold? Do you know what causes brain freeze? Have you ever jumped when somebody scared you? Let’s look at some weird things your body does, and why your body does it. Chattering teeth — along with shaking hands and trembling legs — is your body’s way of trying to generate more heat when you’re cold. Think of it like rubbing sticks together to make fire; your body is trying to raise the temperature through movement. Shivering is also one of your body’s signals to get the antibodies moving to fight … Continue reading →