A university education is one of the best possible ways to insure your earning power upon graduation. There are all kinds of fields and all kinds of majors, some paying higher than others but as a rule, college graduates will earn more money over the course of their lifetimes than those who do not have a college education or degree.
A person will never know if they are allergic to a certain type of food unless they have eaten the food allergen itself. It takes a certain amount of food for the reaction to take place and trigger a symptom.