Allergies can significantly impact dietary choices as individuals may need to avoid specific allergens found in foods like nuts, dairy, shellfish, and gluten. This restriction can lead to a limited diet, potentially impacting overall nutrition and health. People with allergies must often replace allergenic foods with alternative options to meet their nutritional needs, which may require careful planning and education. Additionally, allergen-free diets can influence social situations, affect food enjoyment, and create stress around meal times, making it vital for those affected to seek support and resources for better dietary management.