Our physical activity levels have never been lower – can we look to our Homo sapiens ancestors for answers? We live in a rapidly changing environment with technology defining the modern world we live in. An increase in tasks and jobs automation has led to a vastly different workplace than what we have previously known. Workplaces are now sedentary by nature and require far less energy output as before. The low activity life we have had to adopt is not healthy nor happy. But are there explanations for our ill health in the modern environment which would explain why change is so difficult? Humans have evolved to respond to behaviour triggers like hunger, thirst, and tiredness with behaviours which overcome these desires. These basic instincts worked to keep us alive in the ancestral environment where food, water, and shelter were competitive resources to have and to obtain. By instinctually knowing you were hungry, thirsty or tired, it meant you were able to provide for yourself and keep yourself healthy in harsh environments. These are not instincts we have lost, we still feel hungry, thirsty and tired, and we feel them daily. However, the environment in which we live has changed…
