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Originally Posted by rahl
The man you just described would have low testosterone levels because he is so unhealthy. Which means he has a lower sex drive.
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So in your view he can get some testosterone treatments and he will be good to go?
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Sex drive peaks in males at 18. There is no arguing that fact. No other way to interpret the studies done. You can ignore reality all you want, but that doesn't change the way things are.
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Testosterone levels in a person can be normal or even in the high range and they can lack a sex drive. There are other factors, here is one:
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Sex hormone binding globulin (SHBG) is a glycoprotein possessing high affinity binding for 17 beta-hydroxysteriod hormones such as testosterone and oestradiol. It is probably synthesized in the liver, plasma concentrations being regulated by, amongst other things, androgen/oestrogen balance, thyroid hormones, insulin and dietary factors, it is involved in transport of sex steroids in plasma and its concentration is a major factor regulating their distribution between the protein-bound and free states. Its detailed role in the delivery of hormones to target tissues is not yet clear. Plasma SHBG concentrations are affected by a number of different diseases, high values being found in hyperthyroidism, hypogonadism, androgen insensitivity and hepatic cirrhosis in men. Low concentrations are found in myxoedema, hyperprolactinaemia and syndromes of excessive androgen activity. Concentrations are also affected by drugs such as androgens, oestrogens, thyroid hormones and anti-convulsants. Measurement of SHBG is useful in the evaluation of mild disorders of androgen metabolism and enables identification of those women with hirsutism who are more likely to respond to oestrogen therapy. Testosterone:SHBG ratios correlate well with both measured and calculated values of free testosterone and help to discriminate subjects with excessive androgen activity from normal individuals.
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Sex hormone binding globulin: origin, function and...[Ann Clin Biochem. 1990] - PubMed Result
Like I said, don't take my word for it, talk to someone knowledgeable and let's take it from there.
{added} Look at what I found on the "internet" and note how the point was qualified, referencing in my view the "other factors affecting sex drive :
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According to the study, men’s sexual peak is at 22 at least in terms of testosterone.
After that, levels of the male hormone fall by around one per cent a year, with the amount of bio-available testosterone halving between the ages of 25 and 75, according to the study published in The Independent.
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http://www.expressindia.com/latest-n...-study/336380/
And then there is this from the "internet" too, Dr. Hull:
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Testosterone levels reach their peak in twenty to thirty year old males and decline with each passing decade.
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http://www.janethull.com/faqs/testos...eak-in-men.php
So, who to believe 18, 22, 30????