I think this is a great idea - only thing missing is the thing that makes HN HN: discussions! Without that it seems just like an RSS feed. Also, groupings like

I think this is a great idea - only thing missing is the thing that makes HN HN: discussions! Without that it seems just like an RSS feed. Also, groupings like Ask HN or Show HN. A lot of fitness/nutrition stuff is controversial and the discussions help separate the chaff. The design is good enough... I guess it's not optimized but it's by no means a deal-breaker. I'm sure it can be optimized as you go.