BREATHING EASIER. Maureen Lichtveld, left, chair of environmental health sciences at Tulane, along with city and federal health officials, visit Lafayette Academy in New Orleans to promote a new asthma study. Families with children ages 4 through 12 with asthma are eligible to participate in a study of home interventions to reduce asthma. For more information, call 504-988-HEAL (4325). (Photos by Cheryl Gerber)