If you're looking for high-yield stocks in the healthcare sector, it's hard to beat this trio of industry giants offering yields of up to 3.9%. Healthcare stocks aren't exactly known for offering large yields, with the average healthcare stock at just 1.8% or so. You can do better than that and get reliable dividend stocks while you are at it. All you need to do is buy Johnson & Johnson (JNJ -1.28%), Medtronic (MDT -1.02%), and Merck (MRK -0.73%), and then hold them forever. Here's what you need to know. 1. ...