Mens Sana In Corpore Sano

In his answer to the question of what people should desire in life, Roman poet Juvenal wrote this now famous Latin words in his Satire X .

Original connotation of his phrase is that health of mind and body is good in itself and something to be rightly desired, as opposed to beauty, wealth or power.

Over the time his phrase has come to mean and often translated as
"A sound mind in a sound body."

As Human body is a vehicle for human soul, the health of human mind and soul depends on health of his body. Only a healthy body will harbor healthy mind and soul.

Man gets only one life. He too gets only one body. The life must be enjoyed and to enjoy life human needs a healthy mind. One has to desire for healthy body and healthy mind. Body has to be cared and provided for.

Just as human mind, human body is very remarkable. It adapts to any situation be it favorable or adverse. But then the human body is like any machine which requires high value energy to go on. Like any machine living body too is subject to its wear and tear. It too needs repair. To build itself, to get energy to move, to provide for wear and tear, to get itself repaired body needs its quota of high value fuel. The fuel of human body is nutrients which must be provided through daily food.

Just as any machine will not work efficiently without its required fuel, human body too will fail to work efficiently without its nutrients.
Even though body has great adaptability to adverse situations, without its nutrients it too will not work efficiently and ultimately will stop if quality nutrients are not provided to generate energy.

So the bottom line is that to stay fit, to stay dynamic, to provide for body’s wear / tear/ repair one must have proper nutrients. Since one gets these nutrients only from the food, the choice of ones food matters most in staying healthy and fit.