In some societies, there are some concept that people should do sports that require intense exercise in order to healthy and fit. While other believe that simple life can lead to healthy and fit body. I completely agree with statement that we have to more exercise because human body have a connection with constant exercise. Our ancestors used to hunt and fight creatures in ancient time. Also, there are no need to use so much our muscles in modern life.
In past time, ancient humans used to slay some animals such as sheep, cattle and fish so that provide a food their family and a village. While hunting, they develop their body parts and muscles because of that they do not need to try some exercise to fit and healthy. But now, our lifestyle totally changed and became easy and convenient. Because of that people should exercise in daily life. For example, a researcher of the national university of Mongolia published that humans have lost about 30 percent of the muscle mass their body compared to people who lived about 3000 years ago.
Furthermore, there are many equipment that give us chance to facilitate our works. As a result we do not need effort to move weighty objects. For instance, transports occupy big field in our life. Especially, cars have become a most essential device.
In conclusion, people have to train at least one kind of sport to keep your body healthy and fit. Another reason why we should exercise related to the modern technology because those machines reduce our movement of physical.