Based on this article by Purina, here are some of the most common health issues in Labradors: Hip and Elbow Dysplasia Obesity Hypothyroidism Heart Diseases Ear Infections Arthritis  Laryngeal Paralysis Progressive Retinal Atrophy These common health issues among Labradors, which usually progress as they age, are one of the main reasons why you should always choose the best dog foods for them.