PMC:4137988 / 2620-3131 JSONTXT

{"project":"2_test","denotations":[{"id":"25143747-10836316-55576467","span":{"begin":111,"end":112},"obj":"10836316"},{"id":"25143747-19519921-55576468","span":{"begin":279,"end":280},"obj":"19519921"},{"id":"25143747-22425606-55576469","span":{"begin":510,"end":511},"obj":"22425606"}],"text":"Although contributory, genetic factors alone cannot account for the rapid increase in the prevalence of asthma.4 It has been hypothesized this increase is largely caused by environmental changes (eg, urbanization) and modification of lifestyle behaviors (eg, dietary transition).5 Notably, the transition from a traditional to a modern diet is characterized by an increased intake of preserved foods, salt, refined sugar, and saturated fat, and a decreased intake of fruit, vegetables, milk, and dietary fiber.6"}