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New Federal Health Guidelines (my two cents)
by Doug Jackson, M.Ed., CSCS
1/21/05
I hope you are starting off happy, healthy, and productive in 2005.
Today I want to share with you the latest diet and exercise guidelines
from the federal government and give you my two cents regarding these.
First, if you haven't read any articles about the new guidelines yet,
here are three that give overviews of them.
CNN.com:
http://www.cnn.com/2005/HEALTH/diet.fitness/01/12/food.pyramid.ap/index.html
USA Today:
http://www.usatoday.com/news/health/2005-01-12-food-pyramid_x.htm
and:
http://www.usatoday.com/news/health/2005-01-12-guidelines-usat_x.htm
If you don't have time to check out those articles, here's a brief
overview of the new guidelines:
-Decrease calories from saturated fats, trans fats, and refined carbs
-Pick whole grains over refined flour products (ie. Oatmeal is better
than white bread)
-Emphasize whole fruits and vegetables over calorie-dense fruit juices
-Perform moderate exercise thirty minutes per day to cut risk of
chronic disease
-Perform moderate exercise sixty minutes per day to prevent weight gain
-Perform moderate exercise sixty to ninety minutes per day to maintain
weight loss
The largest controversy within these guidelines is the new exercise
guidelines which have increased the duration of recommended exercise from
former guidelines. The controversy lies in the philosophical debate of
whether health professionals should recommend what's optimal or what's
realistic.
Some health and fitness researchers will argue that setting guidelines
which recommend exercising for sixty to ninety minutes per day is not
realistic. They are afraid that when people hear this recommendation,
they will just give up and say it's too tough.
Unfortunately, there is a chance that this could happen with some
people because many of us have an "all or none" attitude towards fitness and
health. I believe this "all or none" attitude is one of the most
dangerous belief systems to have when it comes to fitness.
Most people who have been successful integrating fitness into their
lives realize that fitness and healthy eating are a process. Each action
will either take us closer to fitness or farther away from it. However,
as long as we're making more good decisions than bad ones, we are
moving in the right direction.
In addition, successful exercisers realize that if they "fall" that
it's no big deal. They'll just get back up again and keep plugging along.
From a dietary standpoint, these people realize that when they have a
piece of pizza or a piece of cake that it's not the end of the world.
They realize that they didn't just "blow their diet". It was one meal of
poor choices and the next one will be better.
I do believe that something important is still being overlooked by the
scientists and doctors who developed the guidelines. They are forgetting the
importance of the metabolic rate and how we can control our metabolism.
The research is very clear on this, yet the government hasn't readily
acted on the research.
Widely-respected strength training researcher Dr. Wayne Westcott states
that people "need to understand the importance of replacing muscle and
increasing their metabolism as at least one part of the process of
maintaining and reaching a healthy body weight. In addition to endurance
exercise and proper nutrition, I promote strength training due to its
metabolic benefit. Research from Tufts University indicates that if your
replace about three pounds of muscle, you will increase your metabolic
rate by about 7%, which reverses about 14 years of the aging process."
Note from Doug: "Amen, Brother."
Well-known fitness expert Kelli Calabrese concurs when she states, "I
do believe in the long-term that strength training weighs in the
heaviest (in terms of fitness benefit)". Now, for those of you females who
think you may bulk up too much with weights, check out Kelli's website at
http://www.kellicalabrese.com . She looks like she's in pretty good
shape, doesn't she? Strength training didn't make her too bulky.
Here's what it comes down to: An underlying reason people struggle with
weight management is a drop in lean body mass as they age. In an
interview I did with Dr. Westcott, he discusses how this decrease in lean
body mass is directly correlated with a five percent drop in metabolic
rate for each decade a person lives. We can reverse the loss of lean body
mass and in conjunction reverse the drop in our metabolisms through
strength training.
With a higher resting metabolic rate, we may not have to exercise for
sixty to ninety minutes each day just to keep weight off. The additional
lean body mass created through strength training creates a solid
foundation for weight management which doesn't make us a slave to the
treadmill for seven days per week.
This is real science. I believe that within the next 15-20 years, we
will see specific federal guidelines in place that will recommend
specific amounts of strength training each week so the American people can
maintain their metabolic rates and maintain a healthy body weight as they
age.
To view the powerful interview I conducted with Dr. Westcott and Kelli
Calabrese, click here:
http://www.personalfitnessadvantage.com/Articles/metabolism.html
By the way, all of this talk about metabolism ties in with the teaser I
threw into the newsletter a few weeks ago. When I mentioned that too
much cardiovascular conditioning could lower your metabolic rate, I
received a few unhappy email responses.
Well, let me explain how this happens.
First, I'll remind everyone that our resting metabolism is primarily
controlled by our lean body mass (ie. the more muscle we have on our
frame, the higher our metabolic rate is. Second, visualize a marathon
runner verses a sprinter. Who has more muscle? The sprinter, of course.
Actually, elite level marathon runners are typically extremely weak.
The body will simply not carry much muscle tissue on a person who is
undergoing elite level marathon-style training.
These marathoners stay lean because of the high amounts of exercise
they do. But what happens if they get hurt? Due to their low resting
metabolisms, if they get hurt and become inactive, they are likely to gain
fat weight quickly.
Okay, let's apply this to our average male or female who wants to get
in shape. If they cut back calories too far and overemphasize
cardiovascular exercise, their body will have no choice but to burn muscle as
fuel. Since their body will cannibalize their own muscle tissue, lean body
mass will drop, metabolic rate will drop, fat loss will plateau, and
they will not reach their long term fitness goal. Sorry, but that's the
science of it.
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