The Life Ledger

Fitness is a way of life.

photo credit: M J M

According to a recent article on Food Navigator, a USDA study found the increased rate of obesity in US adults is matched by an increased rate of fat and oil consumption. This follows the generic advice you find almost anywhere - cut fats and sugars, lose weight. The study identifies processed foods as the culprit for the fat consumption trend.

American consumption of added fats and oils has increased dramatically over the past 35 years, exceeding government recommendations and affording a need for healthier processed foods.
The findings form part of Dietary Assessment of Major Trends in the US Food Consumption, 1970-2005 - a report by the US Department of Agriculture (USDA) that shows Americans are failing to meet the Federal dietary recommendations.

According to the National Center for Health Statistics, two-thirds of US adults were either overweight or obese between 2003-2004, compared with 47 percent between 1976 and 1980.

The report shows this correlates with a swell in added fats consumption of 63 percent between 1970 and 2005 and a 19 percent increase in added sugar and sweeteners.

I wonder if anyone has conducted a study on the obesity trend of communities before and after fast-food restaurants move in? If not, they’ll have to act fast - I bet it’s getting hard to find one-horse towns without a McDonalds.

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photo credit: ex.libris

Recently, Medical News Today ran an article about a study conducted in Sweden on the effects of a vegan diet on indicators of cardiovascular disease. Researchers are looking for alternative methods for treating cardiovascular disease indicators, like high cholesterol, for people suffering from rheumatoid arthritis. While the study only included 66 participants, 38 of which were assigned to the gluten-free vegan diet, there was some indication the participants on the gluten-free diet dropped cholesterol and weight:

The study found that there were reductions in weight and ‘bad’ cholesterol for those on the vegan diet. However, it did not involve enough people or last long enough to look at the effects of the vegan diet on cardiovascular events, such as heart attacks or strokes. Furthermore, the long-term effects of the gluten-free vegan diet are uncertain. Many of the people assigned to the vegan diet [almost half] did not keep it up for the entire year, and it may be difficult for people used to a non-vegan diet to make such a big change in their eating habits.

It is not clear from this study whether the gluten-free vegan diet offers any specific advantages over other healthy diets aimed at reducing bad cholesterol or weight loss. All individuals who wish to reduce their chances of cardiovascular disease should aim to eat a healthy diet, maintain a healthy weight, stop smoking and do an appropriate level of exercise.

It’s easy to see why half the participants on the gluten-free diet dropped out - their diet consisted solely of “vegetables, nuts, fruits, buckwheat, millet, rice, corn, sunflower and sesame seeds.” It’s unclear, of course, how creative the study conductors were with assembling the ingredients into meals. I imagine, no matter what, it must be hard to take people who are used to meat and cheese diets and remove everything familiar in favor of gluten-free food. It will be interesting to see if this study inspires another specifically designed to study the health benefits of a gluten-free vegan diet versus other diets.

The article ends with this tidbit:

Sir Muir Gray adds… The evidence is mounting; if you want to stay healthy and save the planet - eat less, eat more plants and eat only food that your great grandmother would recognise if she were alive today.

Of course, it’s not that easy any more. The foods my great grandmother would recognize, like chicken and beef, may look the same, but are now full of corn, calories and chemicals that have changed the health value beyond recognition. Healthy eaters are once again relegated to foraging for food, but the landscape has changed - no longer are we hunting and gathering in the wild jungles, but instead grocery stores and restaurant chains.

photo credit: ptufts

I recently learned and wrote about a study connecting high glycemic index diets to cancer, diabetes, cardiovascular diseases and gall stones. Since then, I read an article at CalorieLab about the glycemic index and how high or low glycemic diets can affect your health. Particularly interesting is the physiological explanation for why selecting low glycemic index foods is important:

Carbohydrate with a high GI is digested quickly, resulting in a rapid elevation of blood sugar and a swift rise in insulin. Most sweets, but also potatoes, white rice and refined cereals and breads fall into this category.

Foods with a low GI are digested and absorbed more slowly, causing a more gradual rise in blood sugar and preventing rapid spikes in insulin levels. These foods include whole-grain breads, pasta, beans and most fruits and vegetables.

Also of note were studies that revealed overweight/obese or insulin-resistant subjects lost more weight on low glycemic index diets than low fat diets. However, one shouldn’t focus solely on the glycemic index when selecting foods, as many healthy foods (like some whole grains) fall fairly high on the index. As the article says,

A review of how carbohydrate choice and amount affect weight control notes that eating more whole grains is usually linked to healthier weights, whereas eating more refined grains is not. This is significant because whole grain choices, including grains like oatmeal, bulgur and brown rice, are not necessarily low-GI.

In theory, keeping in mind the GI of foods to lower risk of diabetes, overweight, and perhaps even heart disease and cancer makes sense. However, focusing on an exclusively low-GI diet could lead some people to adopt a less healthful eating pattern. This is particularly concerning if people exclude some higher GI, yet healthful foods and include excessive amounts of high-calorie, fatty foods or alcohol just because they are low-GI.

The moral of the story? While the GI may not be the “magic bullet” to weight loss, it should play an important role in selecting the foods you eat. You can find more information about the GI at the official website of the Glycemic Index.

It’s that time of year again - time for reflection on the year past and planning for improvements during the year ahead. Or month ahead, at least. Last year, I put together a list of resolutions I wanted to follow. This year, I’m making one resolution:

Control My Consumption

One resolution. One hefty, multi-faceted resolution. Particularly in the face of my weight - I’ve slipped some on the past couple of months as emotions have been high for one reason or another. Ironically, I’ve noticed as my weight creeps up, so does my desire to make impulse purchases. Fortunately, I’ve tasted the sweet success that comes with beating consumption, and that is tantalizing above any short-term satisfaction I get from buying a DVD or CD. Unfortunately, impulse eating is harder to combat.

Of course, I also recognize “consumption” means much more than what I buy or what I eat, and as I’m battling my return to consumption, I’m finding other inter-related habits forming as well. So, for the next year, here’s the consumption I will strive to control:

• Drink more water.
  I’ve noticed I’m drinking much less water recently - where I used to drink 64oz a day, I’m now lucky if I drink two glasses. I used to enjoy drinking water - I was less hungry, my moods were more balanced, my sleep cycle was much more regular, and my productivity didn’t suffer swings as coffee buzzes waxed and waned. It’s all a matter of availability - I will add to my morning ritual filling a Nalgene bottle with water and keeping it at my desk.
• Control portion sizes.
  I’ve noticed my appetite has grown again - where once I portioned food according to calorie content, I am again worrying if a plate full of food will be enough to quell my hunger. It is time to retrain my appetite, to control my portion size instead of letting my appetite dictate my intake - particularly since my “hunger” is often emotion-based, not a true indication of my body’s need for fuel. Going forward, I will once again treat my body as a bank, allowing a daily caloric intake and controlling food choice and portion size accordingly.
• Exercise daily.
  This is pretty obvious. I will not be one of those statistic exercisers that fill the gym from the months of Jan to March. I’ll be the one breathing the sigh of relief as my exercise equipment of choice becomes available more often. It’s time to re-establish exercise as a priority when planning my day, and allocate time accordingly.
• Exercise fiscal responsibility.
  This is where I fared the best over the last year. Even with my recent slipping, I’ve resisted the returning desires for impulse purchases. Going forward, I’m ready to take the next steps - where before I simply remained aware of my account balances monthly, I will now create a debt reduction plan and monthly budget. Last year, I worked on not overspending; this year, I’ll work on saving.
• Exercise my brain.
  I used to be a voracious reader; until recently, I am embarrassed to admit my reading is almost completely relegated to magazines and blogs. Tonight, I finished a trilogy and am halfway through a Sudoku book - and feel once again exhilaration as I flex mental muscles. I will continue to make time to read and work logic problems.
• Control my information intake.
  My morning ritual begins at 5:30am, when I pour a cup of coffee and sift through RSS feeds and email while cycling on a stationary bike. Lately, I often suffer frustration as I have an overwhelming amount of information to sift through and not nearly enough time to do so. In Bloglines, I have 506 feeds - way too many! Even in an attempt to winnow the list down to a more manageable size by creating a “Daily” playlist comprised only of those feeds I think are important to read on a daily basis, I’m still left with 193 feeds. As I’m driven, almost compelled, to completely review the list, I realize my information owns me - by labeling an insurmountable amount of information as “important,” I have surrendered control, and my productivity suffers. Going forward, I will make notes of which feeds I actually find daily value in, and drop the rest. Information should uplift, not bankrupt.
• Consume peace, not anger.
  Emotions are like a self-hosted banquet where I serve as both host and guest, both choosing and consuming the fare. When I choose an angry emotional reaction to someone cutting me off in traffic, I consume my own anger, which feeds and inspires further anger and seething. Unintentionally, soon I’m not only consuming my own bitter angst, I’m also serving it to others around me, spreading my bad mood. In the new year, I will be more mindful of my emotional reactions, choosing the most peaceful reaction possible in every situation.

Control consumption. This year, my resolution will be my motto.

I’ve been hearing a lot of hype about Joost lately, so I was anxious to give it a whirl. I received my invite (did you get yours?) and fired it up for the first time yesterday, fully expecting an underwhelming experience. Boy was I wrong - this is the future of TV.

First I tried running it on the laptop over the wireless network. I never properly negotiated a connection, but that makes since - Joost is P2P-based, and must be pushing a large amount of information both up and down. After installing it on my main machine, I selected a user name and password, and began experiencing the brave new world of video.

This is, after all, a fitness-related blog, so I began looking for fitness-related video content and found three of note - HealthiNation, The Fit Show and The Recipe Channel. You can see the entire lineup at Joost’s channel page.

HealthiNation is a collection of videos hosted by medical professionals (or, at least, claiming to be medical professionals) providing basic information on a wide range of topics, including asthma, blood pressure, cancer, diabetes, healthy eating and more. The videos are short enough to keep my attention, yet long enough to cover the basic information about a topic fairly thoroughly. I also appreciate the powerpoint-like timeline at the bottom showing upcoming topics within a video segment. I could see this becoming an excellent resource to accompany searches on Wikipedia or health-dedicated sites like MedlinePlus.

I didn’t spend much time watching The Fit Show, but I was intrigued with what I saw. The channel hosts a wide array of videos, spanning from training videos, event coverage, fitness news and topical instructional videos. Chapman Media Group, who runs this channel and the channel’s website at http://thefitshow.tv/ (where you can watch some episodes through a flash player), states “The Fitness Network’s mission is to provide fitness content in an entertaining, educational, and inspirational style who’s voice resonates with the diverse fitness enthusiast demographic.” Buzz-word-speak aside, I was impressed with the videos on offer - training videos were shot using live trainers demonstrating the use of equipment and exercises, individual episodes contained news and training segments, and the professional quality of all videos matched or exceeded what I would expect from a cable TV fitness show. I will definitely be exploring this channel more. Right after watching another episode of GI Joe.

I have to admit, I had high expectations after watching the first two channels. Unfortunately, The Recipe Channel was a little disappointing - I expected a cooking show like something I’d see on the Food network, with a host cooking and talking during the show. Instead, this channel hosts several videos (not yet the hundreds claimed in the description) that appear to be hand-held cameras swooping over ingredients, hovering over cooking bowls and accompanied by new-agey hokie music. While I don’t personally care for the videos, I do appreciate the thoroughness of the video example and the short video lengths. I see this channel being a great accompanying resource for a searchable recipe directory website, but not a channel I would regularly browse.

All in all, I’m pretty impressed with what Joost has to offer so far. It can only get better from here - as Joost adds channels and interactive widgets (which add features like chatting with others viewing the same channel, channel ratings and more), TV will move from a static armchair channel-surfing affair to a serious web2.0-esque overhaul. I can’t wait to see what Joost has up its sleeves.

Now, for more Transformers.