Does our breath have some sort of stuff that can tell you how we feel ?

Question: Does our breath have some sort of stuff that can tell you how we feel ?
- Keywords:
  breath,
  feel
Asked by 355enqm46 to Martin on 13 Mar 2018.
- Martin Lindley answered on 13 Mar 2018:
  
  yes it does……
  
  it has acetone in it that can tell us about your heart and how hard it is working
  
  some people have seen indol levels change when you watch a scary movie
  
  there are lots of things in breath but we don’t know what they all are yet

Question: Does our breath have some sort of stuff that can tell you how we feel ?