What is Reactive oxygen species (ROS) production?

Reactive oxygen species (ROS) production is like when your body makes extra little energy helpers that can be a bit too excited.

Imagine you're playing with a toy car that runs on batteries. When you press the button, it zooms forward, that's like your body making energy. But sometimes, if the toy car gets too much power, it might crash or make noise, that’s like ROS being made in your body.

Inside your cells, there are tiny power plants called mitochondria, which help make energy. When they work hard, especially during exercise or when you're sick, they can create these little helpers, the ROS. These helpers usually do useful things, like help fight off germs. But if too many of them are around, they can cause trouble, kind of like how too much noise from your toy car might bother your little brother.

Sometimes, your body needs to clean up after these extra helpers so they don’t cause problems. That's why ROS production is an important part of how your body works and stays healthy.