Allergy
If you were to become an allergist, or just start paying attention and learn a bit about allergy, it could potentially, literally save your life!
Many common ailments and complaints are caused or worsened by allergy. Things like headaches, constipation, frequent infections, apnea, weight gain, depression, hypothyroid disease, ADHD.
Food Allergy
Common Food Allergens - Allergy Elimination Diet
Allergy in Children