That's a valid question. But that question basically assumes that only doctors have the answers. While doctors are certainly smart and know their stuff, that doesn't mean that other people who have experienced similar health situations are inept and unable to offer any value.
There are many cases where other people, who are not doctors, have helped others through the sharing of health information and personal experience.
Here is one notable case: http://today.msnbc.msn.com/id/43757155/ns/today-today_health...
Curenote is NOT a substitute for seeing your doctor. But there are some cases where you may not need to go to the doctor where a simple remedy offered by others can help. There are cases where you might need to go to a doctor and other people can give you the support you need to help you.