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	<title>Comments on: I Want To Believe 3 (Or, Do I Not Want To DISbelieve?)</title>
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	<link>http://lowcarbconfidential.com/2008/02/29/i-want-to-believe-3-or-do-i-not-want-to-disbelieve/</link>
	<description>Low carb weight loss insight from someone who's done it.</description>
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		<title>By: Dave Dixon</title>
		<link>http://lowcarbconfidential.com/2008/02/29/i-want-to-believe-3-or-do-i-not-want-to-disbelieve/#comment-1321</link>
		<dc:creator><![CDATA[Dave Dixon]]></dc:creator>
		<pubDate>Sat, 01 Mar 2008 17:34:06 +0000</pubDate>
		<guid isPermaLink="false">http://lowcarbconfidential.com/?p=193#comment-1321</guid>
		<description><![CDATA[Hi Megamas. No, I don&#039;t have professional credentials, at least not in health and nutrition. I have a Ph.D. in physics, and used to be a professional researcher. Health and nutrition has become one of my hobbies, and I do a lot reading both of lay and research literature. 

That said, nobody should take any action related to health based solely on what I say. Take it as another data point, more information to help you make health/nutrition decisions. Good decisions can only be made if you have good information, and it is unlikely that any single source (be it me, a doctor, the newspaper,etc.) is going to provide the whole picture.

I am a king of my domain - which extends about as far as the edges of my laptop computer :-)

Dave]]></description>
		<content:encoded><![CDATA[<p>Hi Megamas. No, I don&#8217;t have professional credentials, at least not in health and nutrition. I have a Ph.D. in physics, and used to be a professional researcher. Health and nutrition has become one of my hobbies, and I do a lot reading both of lay and research literature. </p>
<p>That said, nobody should take any action related to health based solely on what I say. Take it as another data point, more information to help you make health/nutrition decisions. Good decisions can only be made if you have good information, and it is unlikely that any single source (be it me, a doctor, the newspaper,etc.) is going to provide the whole picture.</p>
<p>I am a king of my domain &#8211; which extends about as far as the edges of my laptop computer <img src='http://s0.wp.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>Dave</p>
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		<title>By: megamas</title>
		<link>http://lowcarbconfidential.com/2008/02/29/i-want-to-believe-3-or-do-i-not-want-to-disbelieve/#comment-1309</link>
		<dc:creator><![CDATA[megamas]]></dc:creator>
		<pubDate>Sat, 01 Mar 2008 14:51:19 +0000</pubDate>
		<guid isPermaLink="false">http://lowcarbconfidential.com/?p=193#comment-1309</guid>
		<description><![CDATA[Points taken, Dave, and thanks for commenting.  It will have an impact on any plans I have to go full-bore carnivore, and I have been considering it.  

You sound like you have professional credentials for making such statements.  May we ask your background?  (And no, it won&#039;t do to say you&#039;re a king and kings are supposed to know such things, ala Monty Python&#039;s King Arthur.  Unless You actually ARE a king, in which case I defer to Your Majesty&#039;s royal wisdom and humbly beg Your forgiveness.)]]></description>
		<content:encoded><![CDATA[<p>Points taken, Dave, and thanks for commenting.  It will have an impact on any plans I have to go full-bore carnivore, and I have been considering it.  </p>
<p>You sound like you have professional credentials for making such statements.  May we ask your background?  (And no, it won&#8217;t do to say you&#8217;re a king and kings are supposed to know such things, ala Monty Python&#8217;s King Arthur.  Unless You actually ARE a king, in which case I defer to Your Majesty&#8217;s royal wisdom and humbly beg Your forgiveness.)</p>
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		<title>By: Dave Dixon</title>
		<link>http://lowcarbconfidential.com/2008/02/29/i-want-to-believe-3-or-do-i-not-want-to-disbelieve/#comment-1306</link>
		<dc:creator><![CDATA[Dave Dixon]]></dc:creator>
		<pubDate>Fri, 29 Feb 2008 18:08:40 +0000</pubDate>
		<guid isPermaLink="false">http://lowcarbconfidential.com/?p=193#comment-1306</guid>
		<description><![CDATA[A couple of quick points:

Dietary fat can be stored, but you need to eat carbohydrates to store a significant amount. A high-carb/high-fat meal is thus a double-whammy. A high-carb/low-fat meal will also promote fat storage (in this case the triglycerides created in the liver from the carbs), but a high-fat/low-carb meal will store almost no fat, at least according to the current understanding of how fat is stored. The dietary fat should hang around in the blood and digestive system, serving as fuel, and suppressing appetite (plasma fatty acid levels are detected by the hypothalamus in the brain, which then controls appetite and metabolic rate via a number of nervous and hormonal mechanisms).

Hmm, guess that point wasn&#039;t so quick :-)

I don&#039;t think there&#039;s much evidence that calcium supplementation does much of anything, unless you&#039;re seriously deficient, which is unlikely unless you&#039;re starving. Calcium-related health issues like osteoporosis are more likely rooted in general problems with mineral metabolism, e.g. Vitamin D deficiency. Mineral metabolism is not a passive process. For instance, deposition of calcium from the blood into bone requires active transport, since you&#039;re moving the calcium from a region of low concentration to one of high concentration. You can&#039;t just dump more calcium into the system and expect it will find its way to the right places.

Be careful about assuming that eating nothing but meat provides all of the nutrients you need. This may not be true for grain-fed meat, which is known to contain less of most micronutrients than grass-fed meat, sometimes a lot less. Hunter-gatherers also eat the entire animal, preferring organs to muscle meat. The organs are often have much higher micronutrient density than the muscle meat.]]></description>
		<content:encoded><![CDATA[<p>A couple of quick points:</p>
<p>Dietary fat can be stored, but you need to eat carbohydrates to store a significant amount. A high-carb/high-fat meal is thus a double-whammy. A high-carb/low-fat meal will also promote fat storage (in this case the triglycerides created in the liver from the carbs), but a high-fat/low-carb meal will store almost no fat, at least according to the current understanding of how fat is stored. The dietary fat should hang around in the blood and digestive system, serving as fuel, and suppressing appetite (plasma fatty acid levels are detected by the hypothalamus in the brain, which then controls appetite and metabolic rate via a number of nervous and hormonal mechanisms).</p>
<p>Hmm, guess that point wasn&#8217;t so quick <img src='http://s0.wp.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>I don&#8217;t think there&#8217;s much evidence that calcium supplementation does much of anything, unless you&#8217;re seriously deficient, which is unlikely unless you&#8217;re starving. Calcium-related health issues like osteoporosis are more likely rooted in general problems with mineral metabolism, e.g. Vitamin D deficiency. Mineral metabolism is not a passive process. For instance, deposition of calcium from the blood into bone requires active transport, since you&#8217;re moving the calcium from a region of low concentration to one of high concentration. You can&#8217;t just dump more calcium into the system and expect it will find its way to the right places.</p>
<p>Be careful about assuming that eating nothing but meat provides all of the nutrients you need. This may not be true for grain-fed meat, which is known to contain less of most micronutrients than grass-fed meat, sometimes a lot less. Hunter-gatherers also eat the entire animal, preferring organs to muscle meat. The organs are often have much higher micronutrient density than the muscle meat.</p>
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