    Theft biel   rected for asthma. the constriction of  the airways that affects millions arovnd the  world , received approval from the US Food  and Dreg Administration Jedenday. .    dentence 2 The firsl biotechnology.  treatment for asthma . the constriction of  the. airways that. affech millions . of  Ameriains . received approval from the U..  Food and Dreg Administration on Friday .         