Studies have indicated that untreated hearing loss is the most significant modifiable risk factor for dementia. The Lancet Commission on Dementia identified midlife hearing loss as the largest modifiable risk factor for dementia - surpassing smoking, social isolation, or lack of exercise. It is thought that coping with untreated hearing loss puts additional pressure on the brain, making it more challenging to follow conversations, especially in loud environments. Through reducing the effort required to listen, hearing aids help people remain engaged, socially connected, and physically active. The additional dementia risk factors highlighted by The Lancet include:Being less educatedHigh blood pressureObesitySmokingDepressionSocial isolationPhysical inactivityDiabetesAlcohol excessTraumatic brain injuryAir pollutionIf you notice someone exhibiting symptoms of dementia, it's advisable to consult a doctor.