Our bodies are made of around two-thirds water. So keeping it topped up with healthy fluids is extremely important. Water plays a critical role in numerous bodily functions. Giving your body less water than it needs can lead to dehydration. This can cause headaches, fatigue, and decreased mental and physical performance.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/how-healthy-is-flavoured-water