Why do diseases exist?

We infer this because, as discussed below, these diseases can only be sustained in large dense human populations that did not exist anywhere in the world before agriculture. What were the sources of our major infectious diseases, including these 'new' ones? read more

Diseases exist to regular the selection of the strongest in the natural process of evolution. Most illnesses are not life threatening but reinforce the frame for selected but after a period of misery you become immune to a second attack. That’s also the way for to flu shot. read more

There does actually exist a system that helps us make sense of why we get sick. This system is called evolution. Unfortunately, this system hasn’t yet made its way into the curricula of medical schools. read more