1- They have a better immune system and stronger bones.
2- It takes longer for them to have gray hair and for it to be noticed because of their color.
3- They are more likely to develop Parkinson’s, endometriosis, and Tourette’s syndrome.
4- In Scotland there are 13 % of redheads and 40 % have the gene in their population.
5- In Ireland, 10% have red hair and 46% of its population carries the gene.
6- In the South Park series, Erick Cartman hates them.
7- They are people with enormous intelligence.
