In this episode of Collective Cast, host Jen Beyst, Master Neuroplastician®, is joined by Dr. Sam Downing, MD, a family physician with a focus on geriatric and cognitive health, and Doug Dunker, founder of Prescott Hearing Center, for a conversation about prevention and the systems that influence long-term brain health.
Dr. Downing shares insights from his work with aging populations, noting that he expected to encounter primarily cardiovascular and respiratory disease—but has instead seen a significant rise in cognitive disorders. This observation sparked an important discussion about the factors that influence cognitive vitality and how many of them can be addressed earlier through prevention.
Doug Dunker highlights the powerful connection between hearing and cognitive engagement, explaining how untreated hearing loss can gradually reduce participation in conversations, social interaction, and the mental stimulation that helps keep the brain active.
Throughout the conversation, Jen Beyst shares perspectives from Cognitive Function Development, emphasizing the brain’s remarkable ability to adapt and change throughout life when it is properly engaged and supported.
Together, the discussion highlights a hopeful and important message: protecting brain health requires attention to the entire system—hearing, sleep, metabolic health, social engagement, and cognitive stimulation.
Many of the drivers of cognitive decline are modifiable, and proactive steps taken earlier in life can make a meaningful difference in long-term vitality.
Author: Lizzy McNett
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