What is an allergy ?

During a program broadcast on RTL on Thursday, May 5th, 2016, Doctor Masy Nadine took the floor to inform the people about some scientific data.

This video is part of the program “Tout s’explique”  with Thomas Van Hamme and  Eric WIllem.

Link to the video :  “Tout s’explique – RTL TVI – Qu’est-ce l’allergie ?”