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We ultimately also must address the root cause of the global obesity crisis: our broken food system.

Readers respond to a former administrator jailed for the Varsity Blues operations, saying she was a scapegoat.

Readers respond to an op-ed asking whether those in the armed services would follow unconstitutional orders from the president-elect.

After visiting more than 100 countries, I have experienced hurricanes, medical emergencies and helicopter evacuations. This is why I keep going.

Los Angeles' city shelters are overwhelmed and killing too many cats and dogs, but there are workable alternatives.

An advisor to Donald Trump's pick for Health and Human Services, Robert F. Kennedy Jr., petitioned the government to withdraw approval of the polio vaccine.

Perspectives on owner Patrick Soon-Shiong's plans to bring in conservative views and introduce a bias meter.

In Anita Felicelli's 'How We Know Our Time Travelers: Stories,' the half-remembered, the automaton and the lifelike create a surreal world slightly askew from our own.

Data indicate a familiar story in what underlies school shootings: Most perpetrators, male or female, are suicidal, in crisis and driven by a mix of hopelessness and rage.

Readers share their experiences with high home prices and income differences across Los Angeles neighborhoods.