We must always bear in mind that we are never finished evolving. Our bodies and minds will forever change to suit our lifestyle and environment.

As examples, we humans still retain our baser hunting and killing instincts.... but for how much longer?

Some experts on physiology and psychology are even now predicting drastic changes in our brain patterns due to imbalance of the brain's usage. They are forecasting a wider catchment in the areas of memory loss (amnesia) and brain malfunction (Alzheimer's) and the earlier onset of osteoporosis due to our growing reliance on and dedication to, computers.

Maybe this should be a warning to us to get out more.