A whole lot happened in the world of health in 2011. Some of the most provocative stories of the past year looked at amazing new medical procedures - like the full face transplant of Dallas Wiens (pictured) - or new research that challenged conventional medical advice. Other stories put the spotlight on rare diseases or avoidable health ailments, letting Americans know how to reduce their risk. Some stories were just plain weird - and raised eyebrows while also spreading awareness.
Keep clicking, as CBS News invites you to take a look back at some of the top health stories of 2011.