No, if you're a professional athlete this should not be all that difficult. Boring but not difficult.
Look at the average baseball player. So many of them are plump or overweight. I'd argue that soccer players running 10-15 miles every game have a bit more to deal with.
> One way is to look at how long people spend reading an article away from Facebook. If people click on an article and spend time reading it, it suggests they clicked through to something valuable.