So kiddo, sometimes people get really big and heavy because they eat a lot of food and don't move around enough. This is called obesity. And when people are obese, they can have health problems like diabetes, heart disease, and other things that can make them feel sick.
But, doctors and scientists have noticed something really strange. Sometimes, when people who are obese get sick or have a health problem, they actually do better than people who aren't obese! Even though being obese can make people sick, being obese can also make them do better when they are sick. This is called the obesity paradox.
A lot of people don't understand why the obesity paradox happens. Some scientists think that when people are obese, their bodies might have more resources to fight off sickness or injury because they have lots of fat and other energy stored up. Other scientists think that being obese might make some people get sick more often, but when they do get sick, their bodies might be better equipped to deal with the illness. And some scientists are still not sure why the obesity paradox happens at all!
The important thing to remember is that being obese is not healthy, and it's important to eat healthy food and move around a lot to stay healthy. But if someone who is obese gets sick, they might actually have an advantage in fighting off the sickness, even though being obese can make them sick in the first place.