[tomohawk]

There's big science and little science.

You can use the scientific method to see what works for you. Those results may or may not be applicable to others.

You can use the scientific method on a representative group. Those results may or may not have anything to do with a specific case.

Both are scientific and have their limits.

If you're trying to address an issue related to your own health, you only need a sample size of 1.