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Does Intermittent Fasting Work?

Posted by Dr. Robert Portman on 11/25/2020 to Performance Tip Of The Week
Does Intermittent Fasting Work?
Intermittent fasting is the latest diet fad. Promoted by health bloggers and endorsed by celebrities, intermittent fasting is the number one diet searched on Google. Intermittent fasting is a schedule where you eat all of your meals between 12-8pm and fast the other 16 hours. It claims to produce more weight loss and better insulin control. What are the facts?

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Transforming Your Fat Cells Into Fat Burning Engines

Posted by Dr. Robert Portman on 11/25/2020 to Performance Tip Of The Week
Transforming Your Fat Cells Into Fat Burning Engines
Scientists have identified a number of ways to convert white or "bad fat" into beige or "good fat". One of the most effective ways is to simply lower the temperature of your environment. At lower temperatures, your body needs to generate more heat so there is an increase in browning.

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What Color Are Your Fat Cells, White, Brown Or Beige?

Posted by Dr. Robert Portman on 11/25/2020 to Performance Tip Of The Week
What Color Are Your Fat Cells, White, Brown Or Beige?
No, this is not a decorating tip. Over the last decade researchers have developed a new understanding of our fat cells. Traditionally, fat cells were viewed as energy storage containers. Food that was not needed for metabolism or energy was converted into fat and then stored in white fat cells, principally located beneath the skin or in the abdominal cavity.


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The Endorphin Myth

Posted by Dr. Robert Portman on 11/25/2020 to Performance Tip Of The Week
The Endorphin Myth
The "Runner's High" was first described in the 1970's. Runners, after covering lengthy distances, described their mood as euphoric. This description initiated a great deal of research to determine if the "runner's high" had a basis in physiology.  In the 80's a number of studies were published linking the "runner's high" to the release of endorphins, natural opioids produced by the body. Research suggested that endorphins released during extended endurance exercise acted similar to morphine producing feelings of euphoria. In other words, endorphin release created the "runner's high". Case closed.

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Can A Tattoo Impair Endurance Performance?

Posted by Dr. Robert Portman on 11/4/2020 to Performance Tip Of The Week
Can A Tattoo Impair Endurance Performance?

Even suggesting a tattoo can negatively impact endurance performance sounds like heresy. Tattoos have become part of our life (or more accurately our bodies). Approximately 30% of Americans have at least one tattoo, which is a significant increase over the last seven years. Against this backdrop is a recent report that suggests tattoos could impact endurance performance.


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