Mayo Clinic: "Tinnitus," "High blood pressure (hypertension)."
National Institute on Deafness and Other Communication Disorders: "Tinnitus," "Noise-Induced Hearing Loss."
UpToDate: "Patient education: Tinnitus (ringing in the ears) (Beyond the Basics)," "Patient education: Nonsteroidal antiinflammatory drugs (NSAIDs) (Beyond the Basics)."
Vestibular Disorders Association: "Tinnitus: What is that ringing in my ears?"
American Tinnitus Association: "Causes."
Journal of Clinical Neurology: "Tinnitus: Characteristics, Causes, Mechanisms, and Treatments."
American Speech-Language-Hearing Association: "'Tin-a-tus' or 'Tin-eye-tus': Either Way - It Is Annoying," "Noise," "Tinnitus Evaluation and Management Considerations for Persons with Mild Traumatic Brain Injury," "Ototoxic Medications (Medication Effects)."
Acoustical Society of America: "Noise-induced 'hidden hearing loss' mechanism discovered."
International Tinnitus Journal: "Tinnitus in Whiplash Injury."
American Hearing Research Foundation: "Barotrauma."
Harvard Health Publications: "Barotrauma," "Tinnitus: Ringing in the ears and what to do about it."
CDC: "Brain Injury Safety Tips and Prevention."
University of Michigan Health System: "Ringing in the Ears (Tinnitus)."
American Lung Association: "Five Secrets for Quitting Smoking."
U.S. Department of Health and Human Services: "Which Quit Smoking Medication is Right for You?"
National Heart, Lung, and Blood Institute: "How Is Atherosclerosis Treated?"
American Heart Association: "What Is an Arteriovenous Malformation (AVM)?"
American Academy of Otolaryngology–Head and Neck Surgery: "Meniere's Disease."
Journal of Family Practice: "Tinnitus: Questions to reveal the cause, answers to provide relief."
Johns Hopkins Medicine: "Acoustic Neuroma Treatment."
Archives of Otolaryngology–Head & Neck Surgery: "Hearing Loss and Complaint in Patients With Head and Neck Cancer Treated With Radiotherapy."
National Institute of Dental and Craniofacial Research: "TMJ Disorders."