Skin problems are mainly caused due to our poor lifestyle and diet. What we eat shows on our face. If our body is not healthy, then the skin will also not look glowing and healthy. Skin problems like pimples, rashes, dry skin, eczema, leucoderma, scurvy etc. are directly related to poor digestion and stomach discomfort. Poor bowel activity and kidney problems also damage the skin. To prevent this, yoga asanas and pranayama are very important.