A team of scientists work in a laboratory. AzmanL/E+ via Getty Images For my money, the name of the game in dividend growth investing is to buy best-of-breed companies operating in industries with favorable growth tailwinds. That's because this can help a company deliver the sales and profit growth that is necessary to support a rising payout to shareholders. Well, few growth trends are as powerful as healthcare. As medical treatments advance, the world ages, and grows in population/wealth, the demand cur ...