![In memory of Jean Fourcroy](https://www.usada.org/wp-content/uploads/In-Memory-of-Jean-Fourcroy-e1685568655605.jpg)
In Memory of Dr. Jean Fourcroy
Dr. Jean Fourcroy was a treasured member of the medical community and an instrumental part of USADA’s growth as one of its founding board members.
![testing syringe with testing tubes and cup of urine](https://www.usada.org/wp-content/uploads/retest-stored-samples-post.jpg)
USADA Retests Samples Using New Technology
USADA is retesting stored samples using the latest technologies, which empower more sensitive screening and longer detection windows.
![doping control official record document](https://www.usada.org/wp-content/uploads/dcor.jpg)
Doping Control Forms: Why do Athletes Need to Declare All Medications and Supplements?
There are some good reasons to take the extra minute to make sure you have made a complete & accurate declaration of substances you have recently used.
![pills and glass of water on table while person scrolls through phone](https://www.usada.org/wp-content/uploads/screen-supplements-post.jpg)
Screen Your Dietary Supplements
FDA does not analyze the safety, efficacy, or label accuracy of supplements before they are sold to consumers. Check your supplements for safety.
![kratom leaves on table](https://www.usada.org/wp-content/uploads/kratom-athletes-post.jpg)
Substance Profile: Kratom
Kratom is a plant that produces compounds that have opioid-like effects. While not currently prohibited, athletes are advised to steer clear for health reasons.
![white clipboard on grass with stopwatch pen and whistle](https://www.usada.org/wp-content/uploads/Coaching-responsibilities-e1685642514756.jpg)
Coaches: Your Roles and Responsibilities in Anti-Doping
Coaches have the ability to influence their players’ adherence to anti-doping guidelines. Your anti-doping roles & responsibilities under the Code outlined.