A study that says taking large amounts of Ibuprofen may be worse for your liver than we thought. Then, a new study finds that there’s no harm in letting your baby "Cry it out." Then, hearing aids that help improve the thinking ability of those with hearing loss. Then, scientists have come up with a new way to deliver vaccines without getting a shot. And finally… A study showing Americans are washing their hands more often these days… and taking evasive action by using paper towels to open door handles.