David Stults v. International Flavors, etc

RILEY, Chief Judge.

David Stults (Stults) consumed one to three bags of microwave popcorn each day for approximately twenty years. In 2009, Stults was diagnosed with the lung disease bronchiolitis obliterans, which he attributes to his consumption of a chemical used to give the popcorn its butter flavor. In this diversity action, Stults and his wife Barbara (the Stultses), residents of Michigan, sued numerous makers and distributors of microwave popcorn and butter flavoring, alleging their products caused Stults’s disease. See 28 U.S.C. § 1332(a)(1). This appeal pertains only to International…