The bottom line

Zero TV households on the rise

The U.S. now has 5 million “zero TV” households—that is, homes with no cable and no broadcast antenna—up from 2 million in 2007, as more people watch their favorite shows over the Internet.

The Wall Street Journal

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How to reduce the risk of Alzheimer’s

A new study by French researchers has found that people who delay retirement can reduce their risk of developing Alzheimer’s disease and other types of dementia. Scientists say each additional year of work can reduce the risk of getting dementia by 3.2 percent.

CBSNews.com

Japan's market for adult diapers

By 2020, adult diapers are expected to outsell baby diapers in Japan, a fast-aging nation where more than 20 percent of the population is already aged 65 and over. The industry is reportedly growing at 6 to 10 percent a year and pulls in $1.4 billion in sales to Japan’s elderly population.

Qz.com

A bright future for quinoa

The U.S. bought 57.6 million pounds of the trendy health food quinoa in 2012, up from 7.3 million pounds in 2007. Prices for the protein-rich grain have also tripled since 2006 and now average between $4.50 and $8 per pound.

The Washington Post

Time spent online increases

Americans are spending twice as much time online this year as they did in 2010, thanks to the increase in mobile devices and more-ubiquitous Wi-Fi.

HuffingtonPost.com

Sales of organic food keep climbing

U.S. sales of organic food have risen by 35 percent in the last five years, creating a shortfall in organic feed for livestock and poultry.

The Wall Street Journal