As California sees an increasing amount of wildfires, researchers from Stanford University and a Northern California nonprofit are helping residents prepare for and manage their exposure to toxic wildfire smoke.

Research recently published in the journal Nature projects that by 2050, smoke exposure alone will kill 70,000 people a year, with those most at risk including children, older adults, and those with lung disease.

Eight-year-old Nate Pham Do says he ikes a good challenge and aims high, with big plans for the future.

"I want to be a singer or artist and be in the army and an astronaut," he said.

Another one of his goals is knowing how to keep his asthma under control. Nate was 2 when he was diagnosed with the chronic condition that affects the airways in the lungs, causing inf

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