ZOE Science & Nutrition

The #1 Dementia risk factor nobody talks about, and what to do

90 snips
Oct 16, 2025
In this enlightening discussion, Dr. Marcelo Rivolta, a sensory stem cell biology expert from the University of Sheffield, delves into the alarming rise of hearing loss and its shocking link to a 500% increase in dementia risk. He explains how modern headphones and loud concerts can lead to irreversible damage and emphasizes the social isolation caused by communication loss. Dr. Rivolta also shares groundbreaking research on using stem cells to potentially cure hearing loss, offering hope for future treatments in human trials.
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INSIGHT

Hearing Loss Is A Growing Global Problem

  • Hearing loss affects about one in five people worldwide and cases are rising fast.
  • Dr. Marcelo Rivolta links this trend to aging populations and louder everyday noise exposure.
ADVICE

Turn Down Headphone Volume

  • Keep headphone volume at a comfortable level and use device safety limits to avoid damage.
  • Turn volumes down and avoid prolonged exposure to very loud sounds to protect hearing.
INSIGHT

Hearing Loss Cuts You Off Socially

  • Hearing loss isolates people because it directly disrupts conversation and social connection.
  • Marcelo cites Helen Keller: hearing loss can cut you off from people more than blindness does.
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