Key takeaways
- One tiny artery feeds the cochlea.
- Vascular risk factors affect hearing.
- Pulsing sounds need a doctor.
- Heart habits protect ears.
- Know your numbers.
Doctors sometimes call the ear a "window" to the cardiovascular system. Here's why.
The inner ear's fragile blood supply
The cochlea is supplied by the labyrinthine artery, a very small vessel with little or no backup circulation. Its hair cells use a lot of energy and depend on a constant flow of oxygen and nutrients.
Heart risk factors linked to hearing
| Risk factor | Possible effect on the ear |
|---|---|
| High blood pressure | Can damage small vessels |
| High cholesterol | Can narrow arteries |
| Diabetes | Damages small vessels and nerves |
| Smoking | Narrows vessels, reduces oxygen |
| Obesity | Linked to higher hearing loss risk |
Pulsatile ringing: see a doctor
A rhythmic whooshing or pulsing sound in time with your heartbeat is different from typical ringing and can be linked to blood vessel conditions. Always have it checked.
Heart-healthy habits for your ears
- Exercise at least 150 minutes a week
- Eat a Mediterranean- or DASH-style diet
- Don't smoke
- Know your blood pressure, cholesterol and blood sugar
- Keep a healthy weight
- Limit alcohol and salt
Tinnitrol supports healthy blood flow, including to the inner ear, with L-arginine as part of a heart-healthy routine. It is not a treatment for heart or vessel conditions.
Sources
- Hull RH, Kerschen SR. "The influence of cardiovascular health on peripheral and central auditory function in adults." American Journal of Audiology, 2010.
- American Heart Association – "Life's Essential 8."
- NIDCD – "Tinnitus."
Common questions
Does heart health affect hearing?
Yes, research links cardiovascular risk factors to hearing loss.
Why is the inner ear sensitive to circulation?
It relies on one tiny artery with little backup.
What is pulsatile tinnitus?
A pulsing sound in time with the heartbeat that should be checked by a doctor.