Secondhand cannabis smoke may cause allergy, worsen asthma in children

(Reuters Health) - Secondhand marijuana smoke appears to have provoked a cannabis allergy and worsened the asthma of a 6-year-old child, researchers told the American College of Allergy, Asthma, and Immunology's annual conference in Seattle.
Source: Reuters: Health - Category: Consumer Health News Tags: healthNews Source Type: news