A number of studies linking air pollution to some of the countries largest and growing health concerns have come out in the past few months. A just-released report links it to heart failure, but this result follows other troubling recent studies linking poor air quality from everything from type 2 diabetes to autism and Alzheimer's disease.

In this video, health-care analyst David Williamson details the findings of these reports, discusses what actions average investors should take when they see these scientific studies, and highlights a global pharmaceutical giant positioning itself to combat these health ills.

Follow David on Twitter: @MotleyDavid.

David Williamson owns shares of Eli Lilly. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.