Constitution

Constitution is a measure of one's general health and hardiness.

This is how the races rank in average constitution:
1- Ogres
2- Dwarves Minotaurs
3- Gnomes Giants
4- Humans
5- Half-elves Halflings Aarakocra
6- Elves Sahuagin

Those with higher constitutions are said to earn more hit points when advancing levels, they also regenerate depleted hit points at a higher rate than normal. High constitution can even boost your base hit points. Those with high constitutions are also more resilient to catching diseases.