Les Grosses Têtes: AH OUAIS ? - Pourquoi une accusation de dopage tient parfois à un cheveux ?

Find the brand's inspiration and great value you need to own your style at Macy's VIP

sale, going on now.

Use your coupon or Macy's card and take an extra 30% off fall trends and updates.

Plus 15% off go to beauty, skincare and fragrances.

Plus shop specials and find great deals on top brands at Macy's VIP sale.

Savings off regular sale and clearance prices, exclusions apply.

Hello, it's Laurent Rucier, you know that Florian Gazan's friend has his own podcast.

Ah yes, thanks to this podcast, you will soon have incredible anecdotes to share.

Hi, it's Florian Gazan.

In a minute, you will know why an accusation of doping sometimes only holds a hair.

Ah yes.

Yes, because to confuse the sportsmen who cheat today, in addition to blood and urine,

we call for an even more doubtful indication, the hair.

This technique of capillary analysis is not new, it comes back at the end of the 70s

and it's the American army that was originally born.

She wanted to know if the GI who came back from Vietnam were not there

in the Acro, in L'Opium or in the Heroines.

Ah yes.

Yes, because hair has a big advantage over urine or blood, it allows you to go back in time.

Each centimeter of hair represents what circulated in the body for a month.

So on a hair of 12 centimeters, you have a whole year.

And a hair, well it is read as the circles of a tree trunk.

The root is what is more recent and going to the tip, we go back in time.

So if each centimeter, for example, we find an forbidden substance trace,

it is that there were several surprises in time, so a doping is not really accidental.

Ah yes.

Yes, after, you also have to keep in mind the concentration of products found in the part of hair.

Do you remember Richard Gasky in 2009, controlling positive for cocaine?

Well, we had found traces in his urine, but nothing in his hair.

What indicated, one, that he was not a regular consumer,

two, that since cocaine is detectable in a hair that from a certain dose,

for example a rail, it appears direct, it means that this coke came from someone else.

Richard Gasky had told to have hugged several times,

a certain Pamela met in a evening,

who, she later analyzed, is a regular consumer of stupefying.

It is via the rolling of the shovel, if I can say,

that a little coke was found in the tennis man.

It was played with a hair, but our French tennis man was finally white and his career saved.

Thank you for listening to this podcast,

find all the episodes of Hawaway on the RTL application and on all the partner platforms.

Do not hesitate to put us full of stars and to subscribe.

See you soon.

This season, Philippe Cavriviere is also at 8.30.

Machine-generated transcript that may contain inaccuracies.