Drinking enough water is a challenge for many people. Although most people know the importance of staying hydrated for good health, people often fall short of the recommended 2 litres of water daily. Since approximately 60% of our bodies are made up of water, being dehydrated can lead to some major health concerns. Reasons to drink more water include: Healthier skin. Our skin is the largest organ in our body. Water consumption can improve the colour and texture of your skin.