If eating certain foods could help prevent heat stroke and summer sluggishness, would you be interested in incorporating them into your diet? Spinach, which is easily available at supermarkets. It's an easy ingredient to handle as it doesn't take long to cook and its nutrients barely change when frozen. It's especially recommended as a food for the summer, and one reason is that spinach is excellent for hydration. Over 90% of spinach is water, so it can quench your thirst. It can also...