I was looking for the most common food intolerances since Cale seems not to like something I'm eating. (This morning after breakfast, he was screaming and arching his back while nursing. Classic signs of baby gas.) I found CBS News on Food Allergy versus Food Intolerance, and it had just what I wanted to know, with plenty of additional background information.
A food allergy occurs when your body's immune system mistakenly thinks that a harmless substance (meaning whatever food you happen to be eating) is harmful. In response, the body creates antibodies to that food. The next time you eat that food, the body releases massive amounts of chemicals and histamines to protect you. These chemicals trigger allergic reactions, typically in the respiratory system or gastrointestinal tract.
An intolerance is typically when your digestive system has trouble processing foods that you've ingested. Other parts of your body (such as the respiratory system) may not be affected.
Someone who is allergic to a substance, such as food, will typically react to it in a very short time, whereas someone with an intolerance can react hours later. This is an important thing to keep in mind, because symptoms of allergies and intolerances can be very similar. They include trouble breathing, hives, vomiting, diarrhea and cramping.
There is evidence to suggest that if a parent or a sibling has an allergy, you are more likely to have one. There is also evidence to suggest if that one of these close relatives has a condition such as asthma or eczema, you are more likely to have a food allergy.
Common Food Allergies:
* Tree Nuts
These are the most common foods to cause allergic reactions. That said, people can be allergic to almost anything. There are certain allergies (such as milk) that often start and finish in childhood. The nut and fish allergies are more likely to extend into adulthood.
Common Food Intolerances:
* Tree Nuts
Again, you can have an intolerance to almost any food (just like you could have an allergy to any food), but these are the most common.
Interestingly, eggs, soy, and fish are likely allergens, but are otherwise generally tolerated. Hmm.
Anyway, I can easily track dairy, wheat, peanuts, and tree nuts against how Cale reacts to a feeding. This morning, I had just had dairy and wheat (cereal). In the previous 24 hours, I also had tomatoes and peppers (in the nightshade Solanaceae family with potatoes) with garlic and onion (in the Allium family). We'll see how the food tracking goes!