And if they did have an upper respiratory tract infection, their symptoms were not as severe and they spent less days being sick.
Diesel exhaust particles are a major contributor to environmental air pollution. For people this can result in allergies, DNA damage, lung cancer and asthma like conditions ...as well as overall impaired immunity.
But for those living in ￼ polluted areas, there is hope. Quercetin reduces the damage our bodies incur from these pollutants.And there’s mounting evidence that shows that the plants exposed to these pollutants actually increase the amount of Quercetin they produce. Talk about mutual benefit.
So it’s true (sort of) an apple a day can keep the doctor away, or red onion or a cup of tea.