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Airs Saturday, Nov. 7, 2015 at 2 p.m. on KPBS TV

A recent study revealed the sugar industry's efforts 50 years ago to shape medical opinion on how sugar affects health. But today, scores of companies continue to fund food and nutrition studies.

Opioids lock to a receptor in the brain that controls pain relief, pleasure and need. A new compound may offer relief without as much risk of addiction or overdose. But it's only been tested in mice.

When it comes to criminal justice, Mexico is better known for bribery than best practices. But police are receiving better training, and reforms now allow for open trials and presumption of innocence.

More than a thousand of San Diego's homeless and hungry ate lunch and dinner on Christmas Eve at Father Joe's Villages.

At her LA restaurant, Nakayama reimagines the Japanese tradition of kaiseki, a multicourse meal emphasizing local, seasonal ingredients in harmony with nature. She's one of its few female masters.

Tangier Island, in the Chesapeake Bay, has been home to a small, self-reliant community of watermen for centuries — and now climate change is threatening to swamp the island and its way of life.

But film about Alzheimer's is forgettable

Postelection polls paint a picture of a nation that's cautiously optimistic about a Trump administration. However, voters are still heavily divided.

Post-election polls paint a picture of a nation that's cautiously optimistic about a Trump administration. However, voters are still heavily divided.