Are First-borns Smarter Than Their Siblings? Study Says Yes
Tech Times,
It's time to end the sibling rivalry once and for all: a new study suggests first-born children are generally smarter than…
Birth Order May Predict Intelligence And Illness In First-Borns, But Vitality In Their Siblings
Medical Daily,
Being born first predicts a range of risks and advantages to children, which may stick with them for life.
First-Born Males Are at Higher Risk of Obesity: Study
Parent Herald,
A latest study shows that firstborn males are at greater risk of getting obese.
Firstborns Face Greater Obesity Risk
Newsmax Health,
Being a firstborn son comes with some significant disadvantages when it comes to health, new research suggests.