And that's just the diet side of the equation. Before technology, adult men had to expend about 3,000 calories a day. Now they expend about 2,000. Look at the new Segway scooter. The original model relieved you of the need to walk, pedal, or balance. With the new one, you don't even have to turn the handlebars or start it manually. In theory, Segway is replacing the car. In practice, it's replacing the body.
In country after country, service jobs are replacing hard labor. The folks who field your customer service calls in Bangalore are sitting at desks. Nearly everyone in China has a television set. Remember when Chinese rode bikes? In the past six years, the number of cars there has grown from six million to 20 million. More than one in seven Chinese has a motorized vehicle, and households with such vehicles have an obesity rate 80 percent higher than their peers.
The answer to these trends is simple. We have to exercise more and change the food we eat, donate, and subsidize. Next year, for example, the U.S. Women, Infants, and Children program, which subsidizes groceries for impoverished youngsters, will begin to pay for fruits and vegetables. For 32 years, the program has fed toddlers eggs and cheese but not one vegetable. And we wonder why poor kids are fat.
The hard part is changing our mentality. We have a distorted body image. We're so used to not having enough, as a species, that we can't believe the problem is too much. From China to Africa to Latin America, people are trying to fatten their kids. I just got back from a vacation with my Jewish mother and Jewish mother-in-law. They told me I need to eat more.
The other thing blinding us is liberal guilt. We're so caught up in the idea of giving that we can't see the importance of changing behavior rather than filling bellies. We know better than to feed buttered popcorn to zoo animals, yet we send it to a food bank and call ourselves humanitarians. Maybe we should ask what our fellow humans actually need.
A version of this piece appears in the Washington Post Outlook section.
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