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Thyroid, Pregnenolone, Progesterone, DHEA, etc
Thyroid, DHEA, Pregnenolone, Progesterone, etc
Does Testosterone Replacement Affect the Thyroid?
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<blockquote data-quote="DragonBits" data-source="post: 129824" data-attributes="member: 18023"><p>The bottom line for me is I don't accept optimal thyroid being 3.4-4.2 FT3. </p><p></p><p><strong>At heart I am an engineer, if there are scientific studies with data that show this to be optimal, I have never seen them.</strong></p><p></p><p>And optimal for what purpose? To increase metabolism, probably true. But is a faster metabolism optimal?</p><p></p><p>If you google longevity and thyroid, you come up with a lot of studies that say the following.</p><p></p><p><strong>Conclusions and Relevance</strong> At the age of 50 years, participants with low-normal thyroid function live up to 3.5 years longer overall and up to 3.1 years longer without CVD than participants with high-normal thyroid function. These findings provide supporting evidence for a reevaluation of the current reference ranges of thyroid function and can help inform preventive and clinical care.</p><p></p><p><a href="https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2653451" target="_blank">Life Expectancy Within the Reference Range of Thyroid Function</a></p><p></p><p>Then if you look at calories restriction and longevity, you find CR slows metabolism, slows oxidative stress and appears both healthier and leads to longer life.</p><p></p><p><strong>The first question;</strong> do you believe the data and studies? If not, where are the flaws, is there any data from studies on effects of high normal levels of FT3 and other thyroid hormones?</p><p></p><p><strong>The second question;</strong> Is this a question of a trade off between a shorter life with more</p><p>oxidative stress or a faster metabolism now worth the shorter life in the future?</p><p></p><p><strong>The third question; </strong>Can you both increase FT3 and thyroid function while at the same time limit oxidative stress, the effects on your heart and neurological system?</p><p></p><p>I think at the least it's a worthwhile discussion to be had about what is really optimal thyroid levels and why that is optimal and how that affects your life expectancy?</p></blockquote><p></p>
[QUOTE="DragonBits, post: 129824, member: 18023"] The bottom line for me is I don't accept optimal thyroid being 3.4-4.2 FT3. [B]At heart I am an engineer, if there are scientific studies with data that show this to be optimal, I have never seen them.[/B] And optimal for what purpose? To increase metabolism, probably true. But is a faster metabolism optimal? If you google longevity and thyroid, you come up with a lot of studies that say the following. [B]Conclusions and Relevance[/B] At the age of 50 years, participants with low-normal thyroid function live up to 3.5 years longer overall and up to 3.1 years longer without CVD than participants with high-normal thyroid function. These findings provide supporting evidence for a reevaluation of the current reference ranges of thyroid function and can help inform preventive and clinical care. [URL='https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2653451']Life Expectancy Within the Reference Range of Thyroid Function[/URL] Then if you look at calories restriction and longevity, you find CR slows metabolism, slows oxidative stress and appears both healthier and leads to longer life. [B]The first question;[/B] do you believe the data and studies? If not, where are the flaws, is there any data from studies on effects of high normal levels of FT3 and other thyroid hormones? [B]The second question;[/B] Is this a question of a trade off between a shorter life with more oxidative stress or a faster metabolism now worth the shorter life in the future? [B]The third question; [/B]Can you both increase FT3 and thyroid function while at the same time limit oxidative stress, the effects on your heart and neurological system? I think at the least it's a worthwhile discussion to be had about what is really optimal thyroid levels and why that is optimal and how that affects your life expectancy? [/QUOTE]
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Thyroid, Pregnenolone, Progesterone, DHEA, etc
Thyroid, DHEA, Pregnenolone, Progesterone, etc
Does Testosterone Replacement Affect the Thyroid?
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