Protect & Improve Your Hearing & Brain Health | Dr. Konstantina Stankovic - Huberman Lab Recap

Podcast: Huberman Lab

Published: 2025-10-13

Duration: 2 hr 28 min

Summary

Dr. Konstantina Stankovic discusses the significant link between hearing loss and dementia, highlighting the importance of protecting hearing to maintain cognitive function. She provides insights into how hearing works and practical steps to avoid hearing impairment.

What Happened

In this episode of the Huberman Lab Podcast, Dr. Konstantina Stankovic joins Andrew Huberman to delve into the critical relationship between hearing loss and cognitive decline, particularly dementia. Stankovic notes that hearing loss currently affects 1.5 billion people globally, with predictions suggesting another billion will be impacted by 2050. The discussion emphasizes that while not everyone with hearing loss will develop dementia, identifying those at risk is crucial. She notes the societal stigma surrounding hearing loss and contrasts it with more visible disabilities like vision impairment, where solutions like glasses are more socially accepted.

Dr. Stankovic explains the mechanics of how hearing works, from sound entering the ear to the intricate processes within the inner ear. She describes hearing loss as either conductive or sensory neural, with the latter being more common and challenging to study due to the delicate nature of the inner ear's structures. The conversation highlights the significant sensitivity of the cochlea, the organ responsible for hearing, which can detect minute changes in sound. Stankovic shares that even subtle hearing deficits can lead to cognitive issues, underscoring the importance of proactive measures to protect hearing health throughout life, from childhood onwards.

Key Insights

• There is a strong link between hearing loss and dementia, emphasizing the need for awareness and early identification of at-risk individuals.
• Hearing loss affects 1.5 billion people today, with predictions of significant increases by 2050, highlighting an underappreciated public health issue.
• The cochlea, a critical organ for hearing, is extremely sensitive and can detect changes smaller than what the human eye can perceive.
• Protecting hearing is essential not only for auditory health but also for maintaining cognitive function and overall brain health.

Key Questions Answered

What are the effects of hearing loss on cognitive function?

Dr. Stankovic explains that while not everyone with hearing loss will develop dementia, there is a significant correlation between the two. Subtle deficits in hearing can lead to focus issues and mild cognitive impairment, indicating that hearing health is directly tied to cognitive function. This connection highlights the importance of maintaining good hearing throughout life to safeguard against cognitive decline.

How can we protect our hearing in loud environments?

The episode emphasizes the importance of awareness regarding our auditory environment. Dr. Stankovic suggests that many people may not realize their hearing is being compromised, especially in loud cities or while using headphones at high volumes. She recommends behavioral protocols to protect hearing, such as reducing exposure to loud noises and using hearing protection in noisy situations.

What is the cochlea and why is it important?

Dr. Stankovic describes the cochlea as the organ responsible for hearing, which is remarkably small yet incredibly sensitive. It can detect sound displacements at the atomic level, which underscores its importance in the auditory system. Any damage to the cochlea can lead to sensory neural hearing loss, making it crucial to understand its function and protect it.

What types of hearing loss exist?

There are two main types of hearing loss discussed: conductive and sensory neural. Conductive hearing loss occurs when sound cannot effectively reach the inner ear due to issues like fluid behind the eardrum, while sensory neural hearing loss originates from the inner ear itself and is more common. Stankovic notes that while conductive hearing loss can sometimes be treated surgically, sensory neural loss poses more challenges due to the complexity of the inner ear.

What remedies exist for tinnitus?

While the episode touches upon tinnitus, Dr. Stankovic offers insights into its commonality and how it can be remedied. Tinnitus, characterized by ringing in the ears, is a condition that many experience, and there are various approaches to managing it. Understanding the underlying causes and seeking appropriate interventions are essential steps in finding relief from this condition.