Researchers Athena Koble and Royce Hutson will present their findings at 7 p.m. Jan. 11 at the Redwoods Presbyterian Church, at 110 Magnolia Ave.

Their study was published in the Lancet, a British medical journal, in September 2006.

The presentation is sponsored by Marin Interfaith Task Force on the Americas. A donation of $5 to $10 is requested.

For details, call 924-3227 or visit http://www.mitfamericas.org.