why do u test coffee on 32 year olds and not 11 year olds

Question: why do u test coffee on 32 year olds and not 11 year olds
- Keywords:
  age,
  caffeine,
  coffee,
  test
Asked by Jake Butler to Ciarán on 12 Nov 2014.
- Ciarán O'Brien answered on 12 Nov 2014:
  
  Because experimenting on children is illegal 😛
  
  I don’t really test coffee on people. I just drink a lot of it and I’m 32 years old. So far, I haven’t found out how much coffee is too much for me 🙂
  
  Besides, most 11 year olds have more than enough energy without needing coffee!

Question: why do u test coffee on 32 year olds and not 11 year olds