what would happen if you injected a male subject with the testosterone of a great white shark and a 2000lb rodeo bull? would the testosterone affect muscle mass and or anger?
abstract Mon 25/08/08 11:56
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I've seen some weird questions here, but... Were you thinking of trying this on yourself? Testosterone is what it is. Which animal it comes from is irrelevant. If you're thinking just of dosage, anabolic steroids (of which testosterone is one) are, of course, sometimes taken by athletes to enhance muscle development, strength, or endurance. They do so directly by increasing the muscles' protein synthesis. As a result, muscle fibres become larger and repair faster than the average person's. As for anger, it is a possible side effect of anabolic steroids known as "roid rage" However there is no consensus in the medical literature as to whether such a condition actually exists. Testosterone levels are indeed associated with aggression but the link with anabolic steroids remains unclear
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From Wikipedia:
"A study conducted in 1996 found no effects on mood or behavior from the administration of supraphysiologic doses of Testosterone for 10 weeks to healthy men... ...In fact aggressive behaviour has been associated with hypogonadism and low testosterone levels"
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I'm not clear if you're talking about a single parenteral dose of testosterone from the species you quote or a number of doses over a given period.
Testosterone is toxic to humans at extreme concentration levels, but these levels will not be reached by single doses of testosterone from other species. Multiple doses will also have little measurable effect as indicated in the quote given by rojash.
The aggresive tendencies of other species cannot be imparted into a human by adding in testosterone from that species, therefore anger remains unaffected. the fact that these species per se are more "aggressive" than humans is immaterial.
The quantity of testosterone in a human at any given time falls within specific parameters and any excess is rapidly broken down. Because of this, increased testosterone levels have insufficient time to affect muscle formation
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Question Author
AAH..cheers peeps,it was really more the anger i was interested in,as there was something i seen a little while ago about bull sharks(i think) aggression and their testosterone!
so fear not im not about to be doing any ''island of dr moreau
http://en.wikipedia.org/wiki/The_Island_of_Doc tor_Moreau
or ''frankensteinesque'' experiments!..........for now! hahahaha!
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I love this site. They will answer anything!
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Err no bluegecko, they will not. Genuine scientists on here will not answer homework questions where the questioner has not shown at least some evidence of trying to research the answer themselves.
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Fair enough. Although that's hardly what I meant.
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