Saiyan Physiology Addition

[Frantzy12]

All the Saiyans should have Longevity because they live longer than normal humans and stay in their prime until their 80s like Vegeta stated.

 

[Quantu]

If I recall, the Daizenshuu says that they have comparable lifespans to Humnas, but they stay in their prime longer as they are a warrior race and need to stay in their prime to fight.

 

[Magi_Hussie]

If I recall, the Daizenshuu says that they have comparable lifespans to Humnas, but they stay in their prime longer as they are a warrior race and need to stay in their prime to fight.

That's basically what the OP said but with more context to it.