Final answer:
Someone who is allergic to tree nuts should avoid consuming any food that contains tree nuts. It's important for individuals with nut allergies to carefully read food labels and be aware of cross-contamination risks. In addition to avoiding tree nuts, it's also necessary to avoid foods that are processed in facilities that handle tree nuts.
Step-by-step explanation:
Someone who is allergic to tree nuts should avoid consuming any food that contains tree nuts. Tree nuts include various types of nuts, such as almonds, walnuts, cashews, hazelnuts, and pistachios.
Allergies to tree nuts can cause mild to severe symptoms, including itching, swelling, hives, difficulty breathing, and even anaphylaxis, which is a life-threatening reaction. It's important for individuals with nut allergies to carefully read food labels and be aware of cross-contamination risks.
In addition to avoiding tree nuts, it's also necessary for individuals with nut allergies to avoid foods that are processed in facilities that handle tree nuts, as there can be a risk of cross-contamination.