7 amazing facts about siblings

Not only do you own half of your DNA, your siblings can also influence your intelligence, mental health and even your height.

Here are 7 amazing facts about siblings, according to the latest scientific research:

1. Studies found that younger siblings and siblings may have a more humorous personality and live longer.

2. People tend to build an emotional relationship with their "partners" in the same family as them. For example, a person who is a second child is more likely to marry a spouse as a second child.

Men with older sisters are more likely to be linguistic and prefer to flirt with women.

3. In a small study, men with older sisters are more likely to have a tendency to speak and prefer to flirt with women.

4. Another study found that having a brother or sister is better associated with mental health than having a younger brother or sister.

5. If a brother / sister has autism, his / her younger sister or brother also has a higher risk of developing the disease. However, researchers have not yet calculated the exact risk.

6. A brother / sister tends to own a slightly higher IQ than their younger brother / sister.

7. A large British study found that in families with 4 children, younger brothers and sisters tend to be 2.5cm lower than average. The youngest child has the biggest height difference compared to his three siblings.