This video introduces and explains the "Read and Recall" technique as a highly effective method for studying and remembering information from textbooks. The speaker contrasts this technique with less effective methods like casual reading, passive note-taking, and highlighting, emphasizing that Read and Recall aims for immediate learning, long-term retention, and deeper understanding. The video also details the psychological principles behind why the technique works, such as active retrieval and desirable difficulty, and walks through a practical example of applying the method to learn about hemochromatosis.