Not sure how long it will take Discovery Health to sort this out, but if you browse to the following link you will find all the relevant information about Discovery’s Vitality programme. You will also find a link to a video – which opens the following popup:
Makes you think if the site was hacked or a developer decided to have a “fun-day”, either way embarassing enough for a company to have a problem like this.
Update: This seems to be an issue related to the YouTube API. Makes me wonder why Discovery choses to host their company videos on Google though. They had briefly fixed it, but now it seems to be back (perhaps an issue with their caching-/loadbalancing servers). Needless to say, my email to them remains unanswered.