What would a sports enthusiast or a traveler need to know about the factors that can affect how long the body can last in an energy crisis?

We must consider everything in our body. All of the things that go into us can affect our vitality. Second, we must never force our body in one direction. This could always lead to problems. Balancing our health can be done through proper diet, normal water intake and exercise. Nourishment is also important since this can determine how well we act on our work. 

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