Dehydrating food is one of the most ancient, effective, and nutritious ways of preserving food. It's a perfect way to lighten the food pack and still have great meals that meet the needs of weary paddlers. Learn how to get started with a needle and thread, your kitchen oven, and an electric food dehydrator. Have you had issues with your food going bad? Discover the 5 enemies that impact the quality of food and what you can do to ward them off.