The healthcare industry can be a good place to invest for the long term. Demand for healthcare is only going to rise as the number of seniors goes up, and general population growth will also mean more of a need for devices, drugs, and healthcare services.

Even if you don't have thousands of dollars to invest right now, putting $500 into a growing healthcare business can make for a great long-term investment. If you were to average a 15% compound annual growth rate over a span of 30 years, that $500 would grow to more than $33,000.

Three companies that trade at less than $500 per share today and that look like attractive long-term buys are Intuitive Surgical (NASDAQ: ISRG), Bristol Myers Squibb (NYSE: BMY), and Novo Nordisk (NYSE: NVO).

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Source Fool.com