You're not just going out there maybe sacrificing your own life. There's also sacrifices still going on at home. You can serve in the military and have a good marriage but you just need to be aware of it so you can take those steps to take care of it.
There is a glaring reason that the necessary total ban on nontherapeutic use of antibiotics hasn't happened: The factory farm industry allied with the pharmaceutical industry has more power than public-health professionals.
