Dividend stocks are great for various reasons, and it's even better to invest in them while they are going through a rough patch, provided there are good reasons to believe they will recover. This description fits several dividend stocks on the market, among which are CVS Health (CVS 4.35%) and Johnson & Johnson (JNJ -0.15%). Although these two healthcare leaders have had their share of headwinds that have led to market-lagging performances, they have plenty of qualities dividend investors will like. Let's ...