Eliza Barclay

Egg producers who for years said they couldn't give up cages for egg-laying hens made the switch to cage-free in 2015. Big egg buyers, including McDonald's, Nestle and Subway, made commitments, too.

From big food companies simplifying ingredients, to the U.S. government's new goal to reduce food waste, to a public image crisis for Chipotle, 2015 has been a big year for food.

A British fruit historian convincingly argues in a new book that the pear is "the most exciting of the tree fruits." And she says it's time to revive pear culture and explore the fruit's diversity.

The procedure is rapidly going mainstream, but it's so new that it's impossible to know if these women will exercise their option to have a child. Also, live birth rates from frozen eggs remain low.

Dozens of green tea drinks and pills for sale claim to help you burn more fat. But there's scant evidence that green tea, or any other food or drink product, can have a lasting impact on metabolism.

We're hosting a Reddit AMA tonight at 9 p.m. ET with Joann Galst, a psychologist who specializes in fertility issues. We'll be talking about the complex emotional issues surrounding fertility.

Marion Nestle's new book is Soda Politics: Taking On Big Soda (And Winning.) It reveals the industry's political and marketing tactics for protecting sales — and tips for advocates to fight them.

Animal advocates were outraged after discovering videos of leashed monkeys picking coconuts in Thailand. But monkey trainers and scientists say it's common practice and doesn't count as abuse.

Berkeley, Calif., passed a 1-cent-per-ounce tax on sugary beverages in 2014. Researchers say soda prices went up three months after it was implemented — a first step toward reducing consumption.

It's hard to predict how quickly a woman's fertility will decline and if she'll be a good candidate for egg freezing. But doctors try to figure that out with something called an ovarian reserve test.