Not in your brain, top neurosurgeon explains how dementia can start ‘in your legs’

Dementia, the common and disabling disease that affects the brain, remains one of the world’s most urgent public health challenges. It occurs when brain cells are damaged or die, leading to progressive declines in cognitive functions, mood, behavior, and personality. There are currently over 55 million people with dementia worldwide, with nearly 10 million new cases of dementia developing each year. The number of people with dementia is growing worldwide and is expected to triple by 2050. When we think of Dementia, we usually imagine memory lapses, confusion, or mood changes — hallmarks of a brain in distress. But what if the earliest warning signs don’t appear in the mind at all, but in some other part of your body? What if symptoms have been cropping up in some other part of your body