ELI5: Explain Like I'm 5

Lead–crime hypothesis

Okay kiddo, let's talk about lead and crime. Have you ever heard about lead? It's a metal that can be found in things like gasoline, paint, and pipes. When people are exposed to too much lead, it can be really bad for their health.

Scientists have found that when there is a lot of lead in the environment, like in the air or in the paint on old buildings, it can make people more likely to do bad things, like commit crimes. This is called the lead-crime hypothesis.

The reason for this is that lead can damage your brain, especially when you are young. It can make it harder to learn and to control your impulses. When kids grow up exposed to a lot of lead, they might have a harder time doing well in school, which can make it harder for them as adults to get a good job or make good choices.

Researchers have actually found that places with high levels of lead in the past have higher crime rates today. This is because the people who grew up in those places with a lot of lead are more likely to have problems with learning and controlling their impulses.

So, lead can be really harmful to our health and can even make it more likely for people to do bad things. That's why it's important to make sure there is as little lead in our environment as possible, by getting rid of old lead paint and using cleaner forms of energy.