Here is how stupid Weldon is.
On his dedicated page on this subject he claims that it doesn't take much web searching to find claims that taking extra thyroid could give you an EPO boost.
AND THEN HE LINKS TO A THREAD ON HIS OWN FRICKIN WEBSITE.
BUT, few posts down from the "claim" that he cites, is a post giving a REQUESTED answer from a medical expert only, on the issue.
And that answer is what I've read other medical types and doctors say:
"Translation - thyroid hormone is intimately connected with metabolic rate and protein synthesis in the body. If you are hyperthyroid (excess or abnormally high thyroid hormone), or make yourself hyperthyroid by taking thyroid hormone when your body is already producing enough of it, your metabolic rate will increase - your heart will beat harder and faster, you will always feel hot, you will have diarrhea, etc - and your baseline oxygen consumption will consequently increase - because your organs are being flogged into working too hard. Not surprisingly, your body will attempt to compensate for this increased oxygen demand by delivering more oxygen to target tissues, and one way it does this is by making more red cells. And it does that by making more epo.
I think it is stupid to try and apply this to sports performance. OK, let's say you make yourself hyperthyroid by ingesting thyroid hormone when you don't really need it. You will flog your body into making more epo and more red cells, but you will also increase your baseline metabolic rate and use up all that oxygen. Sort of like setting the idle on your car really high. Being hyperthyroid will really screw up your body, believe me. After a while you will start to feel fatigued and worn out and feel like crap.
If you want more red cells, eat a healthy diet and consider moving or training at moderate altitude - Flagstaff is nice this time of year. It's a lot safer and even if your performance doesn't improve that much, maybe you will have had a nice summer anyway.
Read more:
http://www.letsrun.com/forum/flat_read.php?thread=4661605#ixzz2Q8OZC7I7
Buy your shoes from LetsRun and save 20% everday
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"
In fact a doctor commenting on the WSJ article says the same thing.
Additionally, I just read a bunch of medical stuff on diagnosing hypothyroidism -- it is a BIG topic and there is a lot out there -- and Dr. Brown is correct -- there is a lot of contradictory research out there.
The bottom line seems to be to take thyroid meds if you don't need them would:
A: yield no athletic advantage.
B: be dangerous and could be fatal. (As the Dutch say.)
Gee, it just might be that WADA knows what they are doing.