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Author Topic: Muscle Mass and Longevity  (Read 6342 times)
Tony Bondioli
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« on: May 17, 2010, 11:15:47 PM »

I'm putting this great article in this section, as it truly does present information that I feel should be categorized as "medicine," and/or a remedy for the ravages of aging:

http://www.marksdailyapple.com/organ-reserve-muscle-mass-aging/

The Role of Lean Muscle Mass and Organ Reserve in Aging

There’s been a lot in the news lately about the question of longevity. This past week an article [1] discussed the role of exercise in “biological aging,” the relative age of a person based on biomarkers (determined by telomere length in this study), rather than simple chronology.

To add to this discussion, I want to offer up a medically accepted dimension of biological aging that hasn’t gotten as much press lately. Lean muscle mass in happy tandem with organ reserve are two defining characteristics of both good health and longevity.

Have you ever heard someone say that a person died of “old age” or “natural causes”? Essentially, the person died as a result of the logical end of the aging process, the diminishment of organ reserve and corresponding muscle mass that supported his/her physical functioning.

Let’s look closer.

First, we’re talking skeletal muscle mass here, the stuff we use or lose with age. We associate muscle mass with strength and functionality, but muscle also provides metabolic reserve. Muscle produces proteins and metabolites in response to physical trauma. This response is essential to the body’s efforts to achieve recovery and resume homeostasis. With the loss of muscle mass, we lose this metabolic reservoir.

Organ reserve refers to the functional capacity of our organs to support life. When we’re young, our organs have many times the capacity that it takes to simply function. Factors that stress those organs, like illness, injury and toxicity we encounter in our environments (pesticides, etc.), test the organs, but because they have substantial reserve, don’t tax their limits. As we age, this reserve diminishes, and the organs become truly stressed by these same factors. We simply don’t bounce back the way we used to.

Now, the interesting thing is that lean muscle mass and organ reserve have a convenient correlation. Skeletal muscle mass and organ reserve, unless serious disease or trauma targets one or the other, generally tend to correspond throughout life.

The diminishment of organ reserve and lean muscle mass is somewhat genetically influenced, but as we say here at MDA time and again, the expression of your genes depends on the interaction between your genetic blueprint and your personal environment and lifestyle. This means that our efforts throughout life to build and maintain muscle mass tend to improve or retain not just muscle mass but the function of other tissue as well, including the function of vital organs like the heart, lungs, kidneys and liver. And vice-versa. It’s a widely accepted assertion that 75 percent of our health and life expectancy after age 40 is determined by environmental factors, including the impact of our daily lifestyle choices. Now there’s a reason to get off the couch.

So, what can you do to retain and even build lean muscle mass throughout your life and maintain the vitality of your organs? Let’s explore.

Prevent Inflammation
You guessed it: anti-inflammatory diet. Bad carbs! Down trans fats! Those trans fat encourage oxidative stress throughout the body. Grains and sugars not only cause inflammation, which perpetually taxes your organs, they throw off your hormone levels. And, yup, optimum hormone levels are key to 1) maintaining and building lean muscle mass and 2) supporting the functional health of the body’s organs. There’s just no getting around it. What’s healthy/unhealthy for one part of the body will be the same for the whole body. It’s the beauty of the design, I say. And it holds us accountable – without exception.

What would an MDA entry be without the requisite push for veggies, veggies, veggies. We’ll stump for fruits as well. Anti-oxidants and nutrients galore now will mean compound interest later. Every cell in your body, not to mention your older, future self, will thank you for the investment.

Get Protein!
A study [2] at University of Texas at Galveston had us all cheering over its findings that older people have the same capacity as their younger counterparts for converting protein-rich food into muscle. Older men and women in this country, countless nutrition studies suggest, eat less protein than the average person. At the time of life when protein plays a more essential role than ever, older men and women typically reduce their protein intake. Take this as the perfect incentive to belly up to the barbeque!

Take Omega-3 Supplements (from fish oil)
While we’re on the subject of protein, omega-3s from fish oil in particular can enhance the above conversion process of food protein to muscle protein [3]. This finding is good news for young and old alike.

Furthermore, omega-3s reduce inflammation and thin the blood, which puts less stress on the heart and other organs. The less stress we put on the organs, the longer they are able to maintain their vitality.

Limit Exposure to Toxins
You’ve heard me spout off about the importance of organic foods, and there’s good reason (and science) behind these concerns. Yet I also understand (in part through the great comments left by you, our MDA community) that organics aren’t always available and, if they are, are often cost-prohibitive. If you’re able to do organics, go for it. But rest assured that even if you can’t, a healthy produce-rich diet has plenty of protective factors of its own.

Additionally, toxins in food are only a small part of the picture. Give you liver, among other organs, a break and take the time to use protective gear when working on the house or when dealing with toxins in the workplace. Look for small ways to limit unnecessary exposure to chemicals in your day to day life (e.g. install a water filter, etc.).

Exercise-Moderately, Please!
We can’t possibly say this enough: we’re talking about lots of moderate activity coupled with short spurts of high energy output, anaerobic activity. (See my entries on sprints for some ideas.) Nothing beats weight-bearing anaerobic activity for building muscle mass.

You’ve likely heard me say it before: endless cardio isn’t your friend. Chronic, high level training raises cortisol levels, which can deplete muscle and taxes the body’s organs and immune function that support them. If you’re talking about maintaining and building lean muscle mass and supporting the vitality of your organs, rethink the cardio craze you see around you at the gym.
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« Reply #1 on: May 18, 2010, 05:45:35 PM »

I find the part about cardio rather funny, lately I have been losing a lot of weight (i have also built up quite a bit of muscle mass and havent been upping the amount of food I am eating... Undecided thats changing though) however I have dropped down to 120lbs and my family, friends, etc.. have been asking me if I have been losing weight and the main thing they bring up is cardio. I havent done any intense cardio for months, a walk and light jog every now and then but nothing more than your average person does. 

when I tried to explain to them that building and retaining muscle burns more fat than cardio they don't believe me and all I do is spread my arms and say "I am proof". That seems to have been enough to convince them.

weight bearing activities are my best friend, in the long term they also prevent against osteoperosis, which is one of my primary reasons for having started this lifestyle.

in regards to the fish oil, i am astounded by what it has done for me. I used to have terrible circulation to my legs and since taking it regularly (along with doing weight bearing exercises for my legs) I have improved my circulation and reduced risk for blood clots!!

This is a wonderful aritcle and I am very glad that you shared it with us!  Cheesy

-Laura
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« Reply #2 on: October 04, 2013, 03:42:16 AM »

Building muscle mass is a major goal of a lot of exercisers. Some want bigger muscles to look better with their shirt off. Some want to be bigger and stronger to perform better at their chosen sport. And thus, the search for the best muscle building workout begins.
Cardio
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