Questions with the keyword 'allergies'

• Why do allergies occur? How come only some people have them? by oliviak to Bev, Posty, Edward, Kate, Nathan . Comments: (No comments so far)
• what makes people become lactose and tolerant? by keely1616 to Bev, Posty, Edward, Kate, Nathan . Comments: (No comments so far)
• why are penut butter alergies the most common food alergies? by notfred to Kate . Comments: (No comments so far)