Why do you feel awful when you are sick?

We’ve felt it before – the exponential discomfort as you come down with a flu. Why do you feel awful when you are sick? Your body’s defenses work hard as soon as it finds an infection. But how exactly does your body fight off infection? And why is feeling awful a result of this? Find out in the video below! https://youtu.be/gVdY9KXF_Sg