Study Challenges Habit Loop Theory for Compulsive Behaviors

Scientists studied rats to understand why people sometimes do things repeatedly even when they know it's bad, like washing hands too much or gambling.

They used to think this was because of a 'habit loop' that makes it hard to stop.

But this new study found that it might actually be because of inflammation in a part of the brain called the striatum.

This inflammation makes special star-shaped cells in the brain, called astrocytes, multiply and mess with the brain's ability to make decisions.

The rats in the study became more careful and thoughtful in their actions instead of just doing things out of habit.

The scientists think that maybe treating this inflammation with special drugs or even just exercising more and sleeping better could help people who struggle with these kinds of behaviors.