Sunday, May 20, 2007

Nutrition's Freakonomics

Nutrition needs it's own version of Steven Levitt.

In case you don't recognize the name, Steve Levitt is the brilliant "rogue" economist who wrote the highly recommended book "Freakonomics". Levitt is known for examining all sorts of data that economists rarely look at and drawing fascinating conclusions about what, for example, street drug dealers really earn, or the relationship between the Klu Klux Klan and real estate agents.

I was thinking about this today when I read some new statistics on Iraq. Or, more correctly, when I read about the impossibility of getting good statistics about Iraq. (Hold on, this really is going to come back to nutrition and health.) Seems we now "know" that there are about 348,000 well-trained Iraq troops ready to provide security. But when you look a little closer at who these troops are, you find that while 348,000 may have signed up, the real number of troops is possibly a couple hundred thousand less. Many of these troops don't show up for duty, many aren't trained, and many have divided loyalties and even fight for the other side.

Which brings me to how important it is to examine where statistics come from, or, even more essentially, how the numbers are defined.

For example, if I tell you 20% of the population is on a low-carb diet- what exactly does that mean? How are we defining a low-carb diet? Without a definition of terms, these- or any other- stats don't tell you very much. (For example, if the "low carb diet" they're following is defined by the American Dietetic Association, it could mean any amount of carbs less than 55% of calories; if it's defined by, say, the Atkins Induction Phase it could mean 20 grams or less a day. Those two definitions aren't even in the same universe, but if you don't do a Steven Levitt on the stats, you could wind up just accepting the 20%-of-the-population figure without having a clue as to what it really means.) If I tell you 27% of the population is concerned about health, what exactly does that mean? How did the pollster decide who goes into that category? Did he use behavioral measures? Or did he just ask "is health important to you"? When you read that a school is "improving" in their test scores what does that mean? That instead of half their students failing, only 40% are failing? Or does it mean that more of their graduates are going to Harvard?

I've been guilty of this kind of creative use of statistics myself. Or, to be fair, this kind of creative use of stats has been used on my behalf, as it probably has on anyone trying who's ever had a book deal or a publicist. When my first book, "Jonny Bowden's Shape Up! The eight week program to transform your body your health and your life" came out, there was much talk about how 75,000 women had been part of this very successful weight loss program on iVillage. Well, what did that exactly mean? In my case, it meant that 75,000 women had signed up for a little e mail newsletter on the Shape Up Prorgram; how many of those actually did the program, went to the 8 weeks of online chat meetings, did the assignments and got the results is anyone's guess. The looser definition- signing up for an e mail newsletter- allowed the publicist to make much more dramatic statements.

Definitions are everything.

Is "salmon" a health food? Depends. Are you defining it as "farm raised" or "wild Alaskan"? Big difference. (see my book, "The 150 Healthiest Foods on Earth" to read the whole scoop on this- but you get the point.) What about milk? (Same deal.)

This stuff gets way murkier when it comes to the advertising agencies and big pharma. "Statin Drug X cuts heart attack rates by 33%" sounds great as a headline. When you read the fine print below the ad, it often turns out to be more like this: those with high heart attack risk factors went from 3 per 100 to 2 per 100 in a sample of men over 50 who had already had a heart attack. (No lives were actually spared in the making of this commercial.)

But none of that messy little detail stuff makes for good headlines.

If you're conspiracy minded- and who of us doesn't like a good book depository theory?- it's easy to frame this in the context of "lying with statistics".

But this isn't outright lying I'm talking about.

It's concealing.

And concealing with statistics will continue as long as we have numbers. It's our job as smart consumers of information to dig a little deeper into the murkier universe of definitions.

Steven Levitt, if you're listening- how about taking on big pharma?

Friday, May 4, 2007

Collateral Damage

There's a great scene in "Fast Food Nation", (a movie that was actually a lot better than you may have heard). It takes place in a hotel lobby.

I'm paraphrasing here, but it goes like this: Greg Kinnar is checking out of a hotel, when the Stepford-like clerk, all apple-cheeked and face a-shining, asks him cheerfully, "And how was your stay, Mr. Anderson?" Kinnar, who has just had about the worst day of his life, takes a pregnant pause and then replies, "Actually it was absolutely dreadful. Nothing went right, the service was awful, the noise was intolerable and the experience was horrendous". Not missing a beat as she swipes the credit card, the clerk smiles sweetly and- with eyes unclouded by thought- says, "Well that's great! Thank you for staying with us, and I hope you'll come back again!".

Which reminds me of the recorded voice, dripping with sincerity, which assures me that my call is valuable to Time-Warner as I enter my 76th minute of being on hold.

But I digress.

That scene in the movie illustrates one of the casualties of modern life that's a direct by-product of the Fast Food Nation-- consciousness. The hotel clerk in that scene was no more present or conscious than the customers at "Mickey's" restaurant that consume their supersized whoppers while gulping down a big shake and running to get back to work all in the space of 11 minutes. Consciousness is the collateral damage of the Fast Food Nation.

Consciousness and thought.

I was thinking about this today when I went to my local Whole Foods, a store that for all it's granola image of social responsibility is remarkably unconscious. The cashiers there have been trained to ask, by rote, "Is this for here or to go?" since there is an in-store eating area and they have to charge tax for food consumed on premises. Fine. No problem. Except I was buying 20 cans of dog food. When I pointed out the ludicrousness of this question to the clerk cheerfully asking me if my Natural Balance kibble was "for here or to go?" she looked at me blankly as if this had never occurred to her before (I'm sure it hadn't) and explained that they "had" to ask this. Evidentially that was a sufficient explanation for her, and she never gave a moment's thought to the purpose or reasoning behind it.

Actually interacting with me would have been way too much trouble. Far better to simple parrot a sound byte.

The diminishing of thought, reasoning powers and consciousness is one of those things that creeps up on us one degree at a time so that we're like frogs in the proverbial pan of water slowly reaching a boil- it's so insidious you hardly notice it until it's too late. But it's cost on our quality of life is substantial. And tragic. Reasoning has been replaced slogans. Thoughtful exposition by sound bytes. Real food has been replaced by food products.

The thing about fast food is that it's easy, quick and disposable. One thing it's not is nourishing, satisfying or real. Neither is it's mental counterpart. It may be quick and easy to believe that "cholesterol causes heart disease", or that "low-fat is healthy", or that "natural" actually means something on a label. Hey this is a country where a disturbingly high double digit percentage of the population thinks that Iraq attacked us on 9/11. Quick and easy fast food gets you disconnected from your body. Quick and easy "thinking" gets you disconnected from your soul.

If you haven't seen "Fast Food Nation", rent it. The book is way better, but the movie shows you something visually and viscerally, about life in America today and about something valuable that's being lost.

There's a great old Woody Allen stand up routine where he talks about how he took a speed reading class. "I read War and Peace in 23 minutes", he tells the audience. Pause. "It's about war".

That's where we're headed.

Only this time it's not so funny.