Alzheimer's disease is a complex, multi-faceted condition, and while we know a lot about its signs and symptoms, experts are still trying to crack the code on its causes and factors. Now, new research ...

European countries under coronavirus lockdown have seen 11,000 fewer deaths in April compared to the same period last year due to a sharp drop in fossil fuel pollution, according to research released ...

A major US study links air pollution to Alzheimer’s risk in older adults. With fine particles far exceeding safe limits globally, the findings carry urgent implications.

Cities are rapidly becoming the defining residential space of human life. Over 55% of the global population lived in urban areas in 2018, a proportion projected to reach nearly 68% by 2050, according ...

Add Yahoo as a preferred source to see more of our stories on Google. I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early 2000s.