Alzheimer’s disease starts in children with particulate matter air pollution as a critical risk factor

Millions of people around the globe are exposed to particulate matter from a myriad of sources, from traffic-related air pollution (TRAP) across the USA and Europe, fires burning 46 million acres in Australia and 259,823 acres in California in 2019 alone, to the polluting diesel trucks and factories affecting 25 million residents in Metropolitan Mexico City (MMC). Figure 1. Metropolitan Mexico City sky with the typical everyday polluted atmosphere. The graphic shows the trend for the period 2004-2020 of 24-h average concentrations of fine particulate matter PM2.5 classified according the US EPA Air Quality Index. Twenty-five million people are chronically...