Ai Naika Clinic, located on the second floor of COCOLO Nagaoka, a conveniently located shopping facility in Nagaoka City, Niigata Prefecture, is an internal medicine clinic specializing in the treatment of lifestyle-related diseases such as cholesterol and triglyceride abnormalities, diabetes, hypertension, and kidney disease. After graduating from Niigata University Faculty of Medicine, the director has accumulated extensive clinical experience across a wide range of fields including internal medicine, gastroenterology, surgery, and endoscopic medicine. The director holds certification as an Internal Medicine Specialist from the Japanese Society of Internal Medicine and is also a member of the Japanese Society of Surgery and the Japan Gastroenterological Endoscopy Society. Since lifestyle-related diseases tend to progress with few noticeable symptoms, the clinic supports the health maintenance of local residents through continuous management and early intervention. The facility is barrier-free, ensuring a safe environment for patients with physical disabilities. Electronic payment is accepted for added convenience at checkout, and parking is available for those accessing by car. The location within a commercial facility makes it easy to stop by during shopping or while commuting, which is one of the clinic's distinctive features.