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The weeklong Lineage warehouse fire coincided with a surge in hospital visits from Angelenos concerned about throat pain and breathing problems, The Times has learned.

The copious water needed to put out the Lineage warehouse fire in Boyle Heights over a week is now running into the LA River.

EPA Administrator Lee Zeldin announced a crackdown on pesticide smuggling into the United States.

Los Angeles County Public Health Department officials say accidental drug overdose deaths are down for the third year in a row.

Can a smaller dose of GLP-1s cut side effects and costs? Experts weigh in on the rising trend of microdosing Ozempic and Wegovy.

Toxic air has covered the San Gabriel Valley and beyond at times, as the fire continues to burn and the wind shifts the pall in different directions.

The reflecting pool turned an interesting shade of green awfully fast. Here is why.

The U.S. will begin to test kratom for its potential to treat opioid disorder. In California, a complaint targets a business accused of violating kratom restrictions.

Rep. Sam Liccardo wants to rebuild the Pacifica pier with help from the federal government. But does investing in this kind of infrastructure make sense?

The fourth person in the U.S., the third California resident, has been infected with the bacterium Rickettsia lanei.