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The gentle animals are part of Portland International Airport's effort to counter travel stress with soothing elements from nature.

Some 106 million people provide unpaid care for an adult in the U.S. Many feel invisible and profoundly lonely. But some are creating new ways to support each other.

On social media, young women are increasingly open about attending 12-step sex and love addiction programs. Sex and Love Addicts Anonymous reports 1,200 meetings in more than 50 countries.