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Smoke rising from the Telegraph Fire in Arizona.

In parts of the West, wildfire smoke now makes up nearly half the air pollution measured annually, and while we know that breathing smoke can be harmful, less clear is what the worsening wildfire landscape will mean for public health in the future, but research is raising red flags. Read more»

Marian Gutierrez owns Perpetual Help Assisted Living in Scottsdale, where she cares for residents with dementia and other ailments. To protect them amid the pandemic, she implemented precautions that include limiting visitations and getting groceries delivered.

Research is showing just how dangerous COVID-19 may be for those with Alzheimer’s disease and other forms of dementia – a warning, experts say, that more should be done to safeguard this vulnerable population. Read more»

The WHO projects that in 2015, the number of overweight adults will balloon to 2.3 billion, up from 1.6 billion in 2005. And the number of obese will rise to 700 million, up from 400 million. Read more»

If you tend to pack on a few pounds over the holidays, blame it on globalization. As the world has grown smaller, we’ve all grown larger — alarmingly so. Read more»