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In this August 3, 2011 free audio episode: Should You Stop Using Electrolytes During Exercise?, do oats have gluten?, gluten-free cereal, how hot should you get coconut oil, mysterious leg cramps, is 2% or 1% milk better?, training with osteitis pubis, when should you use glucosamine-chondroitin?, is pulsed electromagnetic field therapy effective?

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Featured Topic: The Death of Gatorade - Should You Stop Using Electrolytes During Exercise?

In this interview with Dr. Tim Noakes, who has written multiple books on physiology, including “Lore of Running”, which you can view more about by clicking here, Ben talks to Noakes about hydration and electrolytes.

What you are going to find out in this interview with Dr. Noakes will shock you. If you enjoy this interview, you may also want to check out my episode #138 interview with Tim Noakes about the central governor theory.

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Listener Q&A:

Prior to asking your question, PLEASE be considerate and do a search in upper right hand corner of this website for the keywords associated with your question. 90% of the questions we receive have already been asked and answered here at BenGreenfieldFitness.com!

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Rishon has a call in question about whether oats have gluten.

Craig asks: I'm looking for a gluten free cereal that I can just dump in my cereal bowl in the morning. I am adding blueberries and almonds to my cereal now. Ben has a call-in question about using glucosamine or Capraflex for recovering from an acute injury vs. using for chronic inflammation, and whether glucosamine chondroitin should be used long term.

Christy asks: I just listened to episode 127 where you interviewed Udo Erasmus. What is the temperature where you start to damage saturated fats? Udo mentioned not heating fats to "frying temperatures", but I'm not sure what that means. Is it safer to bake meat, what about boiling it? Is the temperature of boiling water too high? Or steam? I believe the temperature of steam is higher than that of boiling water. I think deep fat fryers work at about 350 degrees, which is baking temperature as well, so is baking as bad as frying?

Here is an oil smoke point chart.

Jenn asks: I have a question about night-time leg cramps.

For the past few weeks, I have been wakened several times a night with extremely painful spasms in my calves (mostly soleus), shins, and feet (both the tops and bottoms). They subside somewhat when I get up and stretch, but are a serious disturbance to my sleep and leave me achy and tired in the morning. I am a fit 38-year-old, and a former marathoner. I'm a daily commuter cyclist (about 45 - 90 minutes daily). I work out at the gym 3-5 days a week at a fairly high intensity, and do 2-3 yoga classes a week. My hydration and potassium intake are good. Other than somewhat increased cycling (clipped in for the first time this season), I haven't made any serious changes to my training. I have in the last 6 months switched to a diet lower in carbohydrate and have dropped about 10 pounds in that time, but my BMI is still a healthy 20.1.

The only other time I've had cramps like this was when I was anorexic and quite underweight a number of years ago, but I'm sure that my caloric intake is adequate now (usually around 1200 - 1400). It does make me wonder, though, if it could be a particular nutritional deficiency that could be causing these cramps? (I don't think it's my pedals since I've had them since May and only started having these in the last month or so.)

In my response to Jenn, I recommend she check out the magnesium http://www.pacificfit.net/supplements.php#naturalcalm and also this topical magnesium.

Komal asks: Just wanted to ask which milk us better for us? 2% or 1%.

Jeff asks: I'm a keen age grouper triathlete and have recently been diagnosed with osteitis pubis. Initial scans detected a small inguinal hernia but further investigation revealed OP which is what us causing me grief in the groin region. I've been advised to lay off running for 2 months but can swim and cycle. Do you have any advice to aid my recovery? Should I avoid kicking drills when swimming? Is walking ok?

Paul asks: What are your thoughts on PEMF?

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