Which 10 online platforms or forums are most popular for health advice and peer support?

1. WebMD (www.webmd.com)
2. Mayo Clinic (www.mayoclinic.org)
3. Healthline (www.healthline.com)
4. MedHelp (www.medhelp.org)
5. PatientsLikeMe (www.patientslikeme.com)
6. RealSelf (www.realself.com)
7. Healthboards (www.healthboards.com)
8. DailyStrength (www.dailystrength.org)
9. Inspire (www.inspire.com)
10. MyFitnessPal (www.myfitnesspal.com)