Sounds like you are using the desktop version on your mobile device. I do this too. There is a mobile version. Click on it. The widgets are at the top of the page under the health tracker tag. Welcome to oh.
I had the same problem with sending a message or replying to anyones. I am on my lap top and Obesity Help's people told me to try a different browser I use opera and can then do it but not when I'm on internet explorer.
3/6/13: Started 2 week pre-op fast for surgery: Lost 11 pounds