HARRISONBURG, Va. — “The Mennonite game” — tracing the genealogy of a new acquaintance to find a common ancestor — might be a fun pastime for people with Mennonite backgrounds, but such a relatively shallow gene pool is also helpful for understanding the neurobiology behind bipolar disorder.
LANCASTER, Pa. — Leaving a highly traditional religious community can exact a high price, but for many participants in a recent conference, the costs of remaining were even higher.