ELI5: Explain Like I'm 5

Saline (medicine)

Saline is like a special kind of water that doctors and nurses use to help people feel better. It can be used in many different parts of the body to help fix problems like dehydration or a lack of salt in the body. Think of it like a refreshing drink for your insides! When you feel like you need a boost, saline can help you get back to feeling your best.