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Arthur De Vany, pictured above, is 73 years old and the featured guest in this audio interview.

In this March 9, 2011 free audio episode: The New Evolution Diet with Art De Vany, calf swelling from running, difference between branched chain amino acids and protein powder, transfer factors, prolotherapy for back pain, how to run better without running longer, how long to recover from a marathon, xanthan gum and guar gum, alternatives to barbell squats, exercises for becoming a better swimmer.

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Featured Topic: "The New Evolution Diet" With Arthur De Vany

In this week's interview, I speak with Arthur De Vany (pictured right) author of The New Evolution Diet: What Our Paleolithic Ancestors Can Teach Us about Weight Loss, Fitness, and Aging.

During the interview, Dr. De Vany, also known as the Father of the Paleo Diet, discusses how he keeps his 73 year old body going strong with random workouts and evolutionary diet approaches, and the science behind his program and his book.

Click here to check out Arthur De Vany's book "The New Evolution Diet".

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Listener Q&A:

====================================== [contact-form 3 "AskBen"] ======================================

Kim asks: I have been running for about 3 years approx. 20 miles a week. Over the last 9 months I increased my mileage to about 30 miles a week to train for a 1/2 marathon. When I increased my mileage I began to have swelling in my calves. Really both legs are swollen in a water retention sort of way but the calves are the worst. The swelling does go down but not completely away. After the 1/2 marathon I took a couple months off of running completely and just started running again 3 weeks ago. The swelling/water retention went away when I wasn't running but now is back again. It is worse after sprints. Any thoughts?

Kyle Kranz asks: What is the difference between taking a supplement that contains all the essential amino acids (hemp protein in my vegan case) and taking a BCAA supplement? BCAAs are included in the hemp or any other supplements with all of the amino acids, so would a person be better off just taking a full A.A. supplement instead of only BCAAs?

In my response to Kyle, I mention Master Amino Pattern, or MAP.

pepepacoluis @bengreenfield. Hi Ben. What do you think about the 4life transfer factor products?

Mike asks: Ben, I just recently re-listened to podcast 105 in which you interviewed David Minkoff. I have been dealing with a low back issue for over a year now and have tried every conceivable avenue to resolve. Much of the pain started at a time shortly after which I had lowered my stem to get more aerodynamic. I now wonder if I may have strained some ligaments which are the root cause of spasms and other referred pains that I experience when in hip flexion. Have you any thoughts or experience with prolotherapy? Patrick asks: I have a 17 mile loop I like to run and don't want to try to stretch it out any further than that. I've heard several pros never run longer than 16-17 and add intervals to their long runs rather than additional volume. What can I add to my current loop without adding more base volume and without compromising high-end aerobic fitness?

Tom asks: I'm running the Boston Marathon on April 18, 2011, and 19 days later doing the St. George Ironman. How long does it take to RECOVER from a marathon, and what would you recommend for recovery. Thanks, p.s. I'm 57 years old, and would like to qualifly again for Boston with its new program, but my main Goal is doing the best I can at St. George Ironman....

In my response to Tom, I recommend he read this"Lightning Speed Recovery Secrets" article.

Kim asks: I read that Xanthan Gum and/or Guar Gum can be used to thicken smoothies. I found both ingredients online from Bob's Red Mill, which has natural products. However, I've always thought of these two ingredients as additives. What is your take on using a tablespoon or two in a daily smoothie? Also, would you prefer Xanthan Gum over Guar Gum? Anything else you might use to thicken a smoothie?

John asks: What alternatives are there to barbell squats?

Here is some background: I'm 22 years old and have been lifting weights 3-5 times a week for three years. I've always had trouble with this particular exercise because of pain under my left scapula. About a decade ago I was diagnosed with scoliosis, which is a curvature of the spine, so I am assuming that this pain is related to my scoliosis. The doctor who diagnosed me said that the condition was not severe enough for treatment. I don't disagree with his diagnosis or his advice about treatment; however the same shoulder that is experiencing pain while performing a squat is also my higher shoulder. Because of this pain I mainly use lunges and leg presses for leg strength.

Hi I'm Brian and I've been listening to your podcast for the past 6 months. I've recently joined swim in high school as a junior and have found it difficult to fit in lifting weights in my schedule, since I swim Monday through Friday for two hours a day. When should I lift weights and what exercises can I do to become a better swimmer?

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Remember, if you have any trouble listening, downloading, or transferring to your mp3 player just e-mail ben@bengreenfieldfitness.com And don't forget to leave the podcast a ranking in iTunes - it only takes 2 minutes of your time and helps grow our healthy community! Just click here to go to our iTunes page and leave feedback.

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Scroll down to donate anything over $15 to the show, and Ben will send you a BenGreenfieldFitness.com t-shirt...you can also conveniently donate any amount with your phone by simply clicking here.

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