The article on autonomic systems sure gives one a lot to ponder on.
Bea Seibert
Posts: 7306 | From Martinsville,VA,USA | Registered: Oct 2004
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lpkayak
Honored Contributor (10K+ posts)
Member # 5230
posted
wow. thank you. there is a lot here.
-------------------- Lyme? Its complicated. Educate yourself. Posts: 13712 | From new england | Registered: Feb 2004
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massman
Unregistered
posted
Excellent resource !
Very well written with greatly referenced resources !
Thank you X 10 !
And an applicable quote: "At present, the most important issue is to recognize the dangers presented by the intrusion of corporate power into science, especially as it relates to nutrition and medicine, and to consider the implications of the known effects of the PUFA on all of our biological systems."
Lots of reading of this in the future.
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" The speed of the pulse is partly determined by adrenaline, and many hypothyroid people compensate with very high adrenaline production. Knowing that hypothyroid people are susceptible to hypoglycemia, and that hypoglycemia increases adrenaline, I found that many people had normal (and sometimes faster than average) pulse rates when they woke up in the morning, and when they got hungry. Salt, which helps to maintain blood sugar, also tends to lower adrenalin, and hypothyroid people often lose salt too easily in their urine and sweat. Measuring the pulse rate before and after breakfast, and in the afternoon, can give a good impression of the variations in adrenalin. (The blood pressure, too, will show the effects of adrenaline in hypothyroid people. Hypothyroidism is a major cause of hypertension.)
But hypoglycemia also tends to decrease the conversion of T4 to T3, so heat production often decreases when a person is hungry. First, their fingers, toes, and nose will get cold, because adrenalin, or adrenergic sympathetic nervous activity, will increase to keep the brain and heart at a normal temperature, by reducing circulation to the skin and extremities. Despite the temperature-regulating effect of adrenalin, the reduced heat production resulting from decreased T3 will make a person susceptible to hypothermia if the environment is cool.
Since food, especially carbohydrate and protein, will increase blood sugar and T3 production, eating is ``thermogenic,'' and the oral (or eardrum) temperature is likely to rise after eating.
Blood sugar falls at night, and the body relies on the glucose stored in the liver as glycogen for energy, and hypothyroid people store very little sugar. As a result, adrenalin and cortisol begin to rise almost as soon as a person goes to bed, and in hypothyroid people, they rise very high, with the adrenalin usually peaking around 1 or 2 A.M., and the cortisol peaking around dawn; the high cortisol raises blood sugar as morning approaches, and allows adrenalin to decline. Some people wake up during the adrenalin peak with a pounding heart, and have trouble getting back to sleep unless they eat something."
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sammy
Frequent Contributor (5K+ posts)
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Wow. Thank you northstar The articles that I read were fascinating. Gave me a lot to think about. I'll have to go back and read the others too.
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The articles that I read were fascinating. Gave me a lot to think about. I'll have to go back and read the others too.
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