Excerpts from The Fast Metabolism Diet by Haylie Pomroy highlighting some simple facts:
Your metabolism reflects what you do by creating a body that can survive the conditions it is subjected to.
When you don't eat enough, your body makes conserving your fat stores a special priority, and it creates more fat from whatever you feed it by secreting special, emergency-only starvation hormones that block fat burning (that pesky RT3). When you eat a lot of nutrient-dense food in the right way, your body relaxes, recognizes the emergency has passed, and starts burning that fat for fuel again--even the cheesecake.
[your body will pay] a heavy price for years of dieting on chemical-filled diet products disguised as food...
The body stores the majority of your reserve fuel in either muscle or fat. Because muscle is constantly contracting, relaxing, beating, pushing, and pulling, it takes a lot of fuel to create and maintain it. This is why they say muscle consumes more calories, or energy, than fat. Fat just sits there. Have you ever seen it do anything besides flop over your waistband or jiggle around on your thighs? Fat really doesn't do much but hold on to fuel, and therefore it takes a very little fuel or calories to maintain it. (And remember, if you don't eat or provide outside fuel, the body will actually break down muscle and store some of that fuel as even more fat.)
from my 3/28/12 Post on Greater Muscle Mass = Higher Metabolism:
Your metabolism reflects what you do by creating a body that can survive the conditions it is subjected to.
When you don't eat enough, your body makes conserving your fat stores a special priority, and it creates more fat from whatever you feed it by secreting special, emergency-only starvation hormones that block fat burning (that pesky RT3). When you eat a lot of nutrient-dense food in the right way, your body relaxes, recognizes the emergency has passed, and starts burning that fat for fuel again--even the cheesecake.
[your body will pay] a heavy price for years of dieting on chemical-filled diet products disguised as food...
The body stores the majority of your reserve fuel in either muscle or fat. Because muscle is constantly contracting, relaxing, beating, pushing, and pulling, it takes a lot of fuel to create and maintain it. This is why they say muscle consumes more calories, or energy, than fat. Fat just sits there. Have you ever seen it do anything besides flop over your waistband or jiggle around on your thighs? Fat really doesn't do much but hold on to fuel, and therefore it takes a very little fuel or calories to maintain it. (And remember, if you don't eat or provide outside fuel, the body will actually break down muscle and store some of that fuel as even more fat.)
*****
from my 3/28/12 Post on Greater Muscle Mass = Higher Metabolism:
First, what is metabolism? Metabolism is the process by which the body generates the energy it needs for maintenance, repair, growth of tissues, and for muscles contraction and movement. The energy is obtained from the foods we eat. However, the chemical energy stored in the food that we eat is not directly used to fuel our bodies, but rather it is used to generate adenosine triphosphate ("ATP"). Only a small amount of ATP is stored in the muscle cells. The body must regenerate ATP once it is used through the process of metabolism.
Muscle is very active tissue and requires continuous energy supplies for ongoing cellular processes such as protein synthesis, maintenance, and building. It is estimated that a pound of muscle uses between 30-50 calories a day at rest to meet its metabolic requirements. That's one pound a day at rest. How many pounds of skeletal muscle do you have? How active are you? Exactly! When muscle mass is increased so too is your metabolic rate increased, both during activity and at rest. Conversely, when muscle mass is decreased, your metabolic rate is decreased as well at activity and at rest. If you are not performing regular strength exercise, muscle mass decreases with age at about one-half pound of muscle every year of inactivity after the age of 25. It is this reduction in muscle mass that research reveals that resting metabolism decreases approximately half a percent every year after age 25. Endurance exercises increase metabolic rate only during the activity session and shortly following; however, strength exercises increase metabolic rate during and for a relatively long period following the workout. No worries if inactivity has been your life thus far, as strength gains have shown to be made even in your 90s...so get moving!
Make sense why Eating Supportively is so important?
Muscle is very active tissue and requires continuous energy supplies for ongoing cellular processes such as protein synthesis, maintenance, and building. It is estimated that a pound of muscle uses between 30-50 calories a day at rest to meet its metabolic requirements. That's one pound a day at rest. How many pounds of skeletal muscle do you have? How active are you? Exactly! When muscle mass is increased so too is your metabolic rate increased, both during activity and at rest. Conversely, when muscle mass is decreased, your metabolic rate is decreased as well at activity and at rest. If you are not performing regular strength exercise, muscle mass decreases with age at about one-half pound of muscle every year of inactivity after the age of 25. It is this reduction in muscle mass that research reveals that resting metabolism decreases approximately half a percent every year after age 25. Endurance exercises increase metabolic rate only during the activity session and shortly following; however, strength exercises increase metabolic rate during and for a relatively long period following the workout. No worries if inactivity has been your life thus far, as strength gains have shown to be made even in your 90s...so get moving!
Make sense why Eating Supportively is so important?
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