Earlier quoted context omitted.
When doing scientific research, absolutely. When making a personal decision, it's foolish to ignore first-hand experience just as it's foolish to ignore advice from experts.
> When making a personal decision, it's foolish to ignore first-hand experience Isn't this exactly the kind of thinking that makes people believe that homeopathy works?
For example, saying "I put cumin oil in a vaporizer and now I don't get colds as often" is different than saying "I joined an AA program and now I have been sober for 10 years".