A big study looked at how family life affects kids' brains. They tracked over 10, 000 children until they turned 7. The study found that parents' education and money matter a lot. But it's not just about cash. How parents act and feel also leaves a mark.

Kids with parents who have more education and money tend to do better in intelligence tests. But that's not the whole story. The study also found that how parents and kids get along plays a role. If parents are happy and stable, kids often do better too. Even small things, like how moms handle stress, can make a difference.

The study showed that family life explains about 28% of why some kids do better than others in tests. But it's not just one thing. It's a mix of parents' education, money, and how they treat their kids.

The study also found that how parents and kids get along is key. If parents are stressed, it can hurt how they act with their kids. And that can hurt how kids do in school. But if parents and kids have a good relationship, it can help kids do better, no matter what.

The study is important because it shows that family life matters. But it's not perfect. It only looked at kids up to age 7. And it didn't look at other things that might matter, like what kids learn in school.

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