The infrared rays emanated from the sun are useful in the treatment of neuralgia, neuritis, arthritis, and sinusitis. In treatment of pains, heat plays an effective role. Warmth keeps our body energetic. It also keeps the skin smooth and protected.

Plants get food from the sun in the photosynthesis process. The foods we get from plants stored the solar energy in it. Our bodies receive the solar energy from the food in the form of fats, carbohydrates, and proteins.