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1. Why Harrison Remains the Gold Standard for Internal Medicine

Since its first publication in 1950, Harrison’s Principles of Internal Medicine has been the definitive reference for clinicians, residents, and medical students worldwide. The 22nd edition, released in 2022, continues this legacy by integrating the latest scientific discoveries, diagnostic technologies, and therapeutic advances while preserving the clear, evidence‑based narrative that made the book a staple on hospital shelves.

The 22nd edition of Harrison's Principles of Internal Medicine was released in mid-2025 by McGraw Hill, featuring updated content on COVID-19, artificial intelligence, and point-of-care ultrasound. The new edition is available in print and digital formats, with legal access provided through authorized channels like AccessMedicina. For authorized access and purchase options, visit AccessMedicina.