Asthma

A street is flooded during the passing of Hurricane Irma on September 6, 2017, in Fajardo, Puerto Rico.

Asthma Rates Rise in Puerto Rico Following Hurricane Maria

Doctors and public health officials say they have never seen anything like this.

Primatene Mist, a nonprescription inhaler used to help asthma patients breathe better during an asthma attack.

REPORT: Oil Refineries Increase Health Risks for Millions of African Americans

A new report examines the dangers of gas and oil pollution in Black communities.

Los Angeles to Transition to Electric Buses to Fight Climate Change

The move will also improve air quality for residents.

Primatene Mist, a nonprescription inhaler used to help asthma patients breathe better during an asthma attack.

Study Suggests That Fracking May Worsen Asthma

People who live close to drilling sites are more likely to be treated to asthma than those farther away.

Childhood Asthma Soars in Poor Communities of Color

A Dateline NBC investigation looks at how some parents are fighting one asthma exacerbator: poor housing.