The Flint water crisis and other public health woes from 2016
Vaping, opioids and lead continued to cause problems this year
![Flint, Mich., water tower](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/12/122416_box-public-health.jpg?fit=860%2C460&ssl=1)
WATER WOES Many residents in Flint, Mich., are still relying on bottled water after lead-tainted water raised alarm late last year.
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