#283: Alun Williams, PhD - The Genetics & Science Behind the Historic Caster Semenya/IAAF Case

Sigma Nutrition Radio

Danny Lennon

Sigma, Dietetics, Evidencebased, Nutrition, Training, Health & Fitness, Science, Diet, Fitness, Evidence, Bodybuilding, Health

4.8 • 626 Ratings

🗓️ 21 May 2019

⏱️ 46 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

Dr. Williams is the Director of the Sports Genomics Laboratory and is a Reader in Sport and Exercise Genomics at Manchester Metropolitan University. Alun is also Honorary Senior Research Associate at University College London. He has a PhD from the University of Birmingham.

He has published expert position statements about the ethics and practicality of applying genetic technologies in sport. And was recently involved in the historic IAAF vs. Caster Semenya case related to testosterone levels within athletes with differences of sexual development (DSD).

SHOW NOTES: https://sigmanutrition.com/episode283/

Transcript

Click on a timestamp to play from that location

0:00.0	In terms of actual levels, total testosterone usually in, would be sort of less than two nanomoles
0:23.5	per litre, so a sort of range of 0.1 to 2, whereas again, usually in males, you're talking about
0:29.4	something like 8 to 30 animals per litre. And in some of these DSD athletes, competing the female
0:35.8	category, then they do have testosterone levels naturally occurring testosterone levels that are comparable to normal male level. Hello and welcome to another episode of Sigma Nutrition Radio.
1:09.6	I am your host, as always, Danny Lennon, and we're at episode 283 Nutrition Radio. I am your host as always Danny Lennon and we're
1:12.6	at episode 283 of the podcast today. Thank you so much for taking the time to listen in,
1:18.7	whether you are a new listener or a long-time listener. I hope you enjoy today's episode.
1:25.3	And very quickly, before we jump into this week's conversation, a reminder for
1:29.4	those of you who are able to make it to Dublin, Ireland, in this July, so that's July 2019.
1:35.5	On the 20th and 21st, I'm doing two seminars, the first of which is nutrition for health advancement,
1:41.7	where I'm going to be getting into all sorts of topics related to health-centric nutritional science topics and their application.
1:49.3	And then the second seminar is on the 21st, that's dieting and making weight for the combat sport
1:55.9	athletes.
1:56.4	So this is going to be, as the name implies, specific details from the research all the way into practical
2:02.5	application that we've used with our athletes on making weight recovering uh fueling performance
2:09.5	all that type of stuff specifically for combat sport athletes so m-ma boxing Brazilian jiu-jitsu
2:15.5	moitai k-1 all that type of stuff.
2:19.0	So if any of those sound of interest to you, then if you just go to sigmanutrition.com,
2:23.9	right at the top of the homepageo, you'll see details to click into any of those seminars.
2:28.9	So if you can make it, it'd be great to meet you.
2:30.8	And hopefully you would learn something on one or maybe even both of those
2:35.3	days depending on what you would like to come along to. So onto today's conversation and I'm going to
	...

Please login to see the full transcript.

Previous episode | Next episode

Disclaimer: The podcast and artwork embedded on this page are from Danny Lennon, and are the property of its owner and not affiliated with or endorsed by Tapesearch.

Generated transcripts are the property of Danny Lennon and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.