Health

How air pollution affects the digestive system

Fine air particles, less than 2.5 micrometers in diameter (PM2.5), are a major air pollutant linked to various health problems. These particles can travel deep into the lungs and even enter the bloodstream when inhaled. Recent ...

Health

What is dust? And where does it all come from?

Everything in our homes gathers dust. But what exactly is it? Where does it come from, and why does it keep coming back? Is it from outside? Is it fibers from our clothes and cells from our skin?

Health

Are some people more at risk from air pollution?

I'm driving in rush hour traffic, waiting for the slow crawl of cars to reach the speed I would be moving had I biked home. My heart rate rises slightly; it's a beautiful summer day and I'm thinking of the many things I'd ...

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