Why 'Drink More Water'?

A massive American pro-water-drinking program launches today. It makes odd claims.
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(Shakh Aivazov/AP)

Watertown has twice been voted as having the best water in Wisconsin. That’s why First Lady Michelle Obama is speaking there later today, as she launches a campaign “calling on every city to be a water town.”

That is, yes, a play on words. It is not a dystopian Kevin Costner Waterworld scenario; Mrs. Obama just wants every town in the U.S. to drink more water. The campaign is known as “Drink Up” and it encourages people to drink “even just one more glass a day.”

Obama's appearance today is just part of the campaign's “bi-lingual day of water messages on a dozen TV shows … which will involve hosts drinking water and encouraging viewers to drink water." The shows include Today, Good Morning America, The View, Live With Kelly and Michael, Late Night, The Tonight Show, The Late Show, The Doctors, and Rachael Ray. All will feature “Drink up” messages.

Why? That is the question.

“40 percent of Americans drink less than half of the recommended amount of water daily,” said Sam Kass, White House senior policy advisor for nutrition policy [sic?], yesterday. Kass and Mrs. Obama’s press secretary Hannah August attributed that statistic to a CDC study.

The problem is, though, that there is no recommended daily amount of water. If we knew how much we should be drinking, and it turned out we weren’t drinking enough, then yes, tell us to drink more. If they were telling us to replace soda in our diets with water, that would also be reasonable and potentially productive. They're explicitly not doing that, though. 

***

The CDC study called 4 cups a moderate amount; not a recommendation. The average American drinks about 2.5 cups. The U.S. government’s official dietary recommendation document reads:

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(USDA)

Here is that "adequate intake" recommendation from the Institute of Medicine. The Mayo Clinic's recommendation is "If you drink enough fluid so that you rarely feel thirsty and produce 1.5 liters (6.3 cups) or more of colorless or light yellow urine a day, your fluid intake is probably adequate." Not that you have to measure your urine every day, but you get it. The Institute of Medicine likewise sidesteps quantified intake guidelines and takes an Al Jones-esque approach: "Let thirst be your guide." That’s what most doctors will tell you, too.

Today’s launch of the pro-water initiative is a part of Mrs. Obama’s pro-movement movement, Let’s Move! (Mission: “to ensure all our children grow up healthy” via providing American families with” simple, actionable information to make healthy choices.”)

What could be simpler and actionable-r than a call to drink more water?

Mrs. Obama, we love you. We also love kids and believe they should be healthy. But let’s actually not move on this for a minute, because it’s missing all the points.

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Sam Kass joined the White House via the kitchen staff in 2009, when he took job as Assistant Chef. He is now Senior Policy Advisor for Nutrition Policy [again, possibly sic; seems redundant]. He is also Executive Director of “Let’s Move!” Kass briefed members of the press yesterday, including me, about the launch of Drink Up.

As Kass put it, “Water is our original energy drink. It's a really exciting, fun, and positive campaign that will inspire people to drink more water.”

Agh! Why?

He said that the campaign will bring together “leaders from industry, entertainment, media and government around the simple message that water is one of the best and easiest choices every one of us can make every day.”

As August put it, “This new effort will remind people that more water helps you have more energy and stamina so you can do more, longer and with better focus.” I’d love that to be true.

Plus, PLUS, the average United States person is already drinking 38 percent more water than 15 years ago. It is true that a quarter of kids are drinking no water at all, that doesn't make it prudent to tell everyone to drink more. Too much water can be as bad as too little.

Americans reporting drinking water in a given day

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(USDA)

One of my colleagues asked the question that was on my tongue: What are the health benefits you refer to?

Kass replied, "I think the science and evidence about hydration abounds. Starting with headaches, it leads to many more conditions. But this isn't a public health campaign. We think that being positive is most important, not getting into all the details about what a glass of water can do for you, is the message."

To be fair, Kass is a chef, not a scientist, and that was off the cuff. But if you’re a national policy advisor on nutrition, and launching a campaign whose singular objective is to tell 314 million people to drink more water, your cuff should have some data that says more water is better.

We even gave them an easy out. Another reporter: “Why aren't we talking about obesity?”

Kass: "We think a positive, forward-leaning campaign is the most effective way to insure that people are getting the water they need. Water is the simplest, most accessible healthy choice people can make, We're going to keep it positive from start to finish."

Presented by

James Hamblin, MD, is a senior editor at The Atlantic. He writes the health column for the monthly magazine and hosts the video series If Our Bodies Could Talk.

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