birth order

You might be the baby, but you've learned a thing or two.
New research suggests you shouldn't put too much stock in birth order stereotypes.
Here's what we do know.
First-born kids are more likely to be nearsighted.
The answer may lie in the womb.
I know that no two children have the same set of parents, even though they live in the same family. Why? Because parents are different with each of their children, and no two children ever take the same role.