In health, exposure to the elements, shock, and panic can reduce your survival time in any situation. An important additional consideration is whether or not to eat food when there may be an inadequate supply of water. Certainly foods that contain a high proportion of water, such many kinds of fuits and berries may actually aid the survivor in providing water. Meat, dry and salty foods should be avoided as they require water from your body for processing and will serve to dehydrate you further.
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military survival / wilderness survival
