New Health: Discover the history of our lifestyle!

English
We all know it, we live too unhealthy with all the consequences that entails. We move too little, eat too much and too unhealthy, have a hard time dealing with the excess of daily stress and the consequences are disastrous.
 
Where did our unhealthy lifestyle start, how have we lived most of our existence, what has led to a much unhealthier life, can the tide be turned?