This video provides an overview of high-yield endocrine disorders for the MCAT, focusing on hyperthyroidism and hypothyroidism, along with related topics. The tutor explains the basics of the endocrine system, emphasizing the role of hormones and negative feedback loops. Key points include weight loss as a primary symptom of hyperthyroidism (often from Graves disease) and weight gain for hypothyroidism (commonly due to Hashimoto’s). Other notable conditions include diabetes, Cushing’s syndrome, and Addison’s disease, which relate to cortisol levels. The session concludes with tips on mastering these topics for MCAT success.