Cleaner, more pure water backscatters light in the blue range, which makes it look blue. One famous example is Crater Lake in ...

Sarah Glinski, RD, is a Canada-based dietitian specializing in gut health.

How much water you should drink varies. Your age, activity level, health issues, and lifestyle affect what’s right for you.

Water is the elixir of life, an essential component of every cell, tissue, and organ in the human body. Staying hydrated is ...