The polydrug trade in the U.S. is on the rise. This is reflected in the composition of black- and gray-market cannabis. In one of the largest studies of its kind, we found that one in every five illicit cannabis samples in the Southwest contained cocaine, ecstasy, and methamphetamine. 💊🌿🧵 1/3

With the recent cannabis rescheduling in the US, a transdisciplinary approach is needed to integrate advances in toxicology & legal/policy research to aid the transition of cannabis, psychedelics, & other traditional/indigenous medicine from unregulated uses to safe, sustainable applications. 🌿🍄🧵1/2

Cannabis & hemp are two biologically related but legally different plants. To fully take advantage of their values in food and nutrition, businesses need to overcome challenges in compliance, finance, marketing, and supply chains. 🌿 🍞 🧑‍🌾 💼 🧵 1/4 #EmergingTherapeutics #HempTechnology #Entrepreneurship

Had a great time giving a talk at the Cannabis Science Interest Group (nida.nih.gov/about-nida/o...) today at the National Institutes of Health! 🌿 🔬 🧪 🧑‍🔬 💡 🧵 1/2 #CannabisSafety #EmergingTherapeutics #Toxicology #NIH #ASUResearch

I am grateful to have the opportunities working with promising scientists at the early stage of their careers, seeing them taking what they learn to move on to something bigger and better. Yesterday, I attended two outstanding thesis defenses... 🤩 🌿 🍄 🎓 🚀 🧵 1/4 #Mentorship #ASUResearch

Do you work in a dispensary or cannabis production with an interest in cannabis analysis? Or are you a graduating college student/a recent graduate with training in analytical chemistry? If so, please join us for the 2nd ASU Cannabis Testing Workshop on May 11 – 15 in West Valley Campus!!! 🧵 1/4

If you are in San Diego or attending next month's @sotoxicology.bsky.social annual meeting, please join us on March 24 (Tue) at 8:30 pm at the Scientific Liaison Coalition (www.toxicology.org/slc/index.asp) Psychedelics and Cannabis Toxicologist Social, presented by Cayman Chemical! 🍄 🌿 👨‍🔬 🧪 🎓 🧵 1/3

ICYBI: Check out last week's CBS News report of our recent study with Dr. Julia Albright, @dogagingproject.bsky.social , and our colleagues on the possible link between CBD use and reduced aggression in dogs! 🌿 💊 🐶 👩‍⚕️ www.cbsnews.com/texas/video/... #DogScience #Supplement #Innovation #ASUResearch

Thank you, Kyle, for coming by Arizona State University yesterday and giving us a demonstration on the molecular biology used in cannabis safety testing. It was quite a fun tutorial on PCR!!! 🤩 🥼 🧬 🧵 1/4 #CannabisSafety #ASUResearch #WestValleyForward

It was a pleasure returning to the Winter Hemp Seminar this year at Purdue University, learning about the exciting food and nutrition research by Dr. Senay Simsek, Dr. Weicang Wang, and many others! 🌿 🔬 🧑‍🌾 🎓 🚂 🧵 1/2 #HempScience #GoBoilermaker

Cannabis hyperemesis syndrome (CHS) is a recurring vomiting condition that occurs to some patients after prolonged use of cannabis. Further mechanistic studies and a better understanding of the CHS exposure scenario are needed to decipher the root cause of this condition. 🌿 🔬 💊 👨‍⚕️ 🧵 1/3

It was a great pleasure to present my research on cannabis, hemp, and one health today at McMaster University's Michael G. DeGroote Centre for Medicinal Cannabis Research! 🌿 💊 👨‍⚕️ 🤩 🍁 🧵 1/2 #CannabisScience #OneHealth #ASUResearch

It was a pleasure chatting with Gennaro Tomma (@gennarotomma.bsky.social) about cannabidiol (CBD) use in pets earlier this month. Check out his report today at National Geographic, "Is CBD good for your dogs?" (▶️ www.nationalgeographic.com/animals/arti...)! 🌿 💊 🐶 🧵 1/2

Thank you, Marguerite, for visiting us this week at ASU West Valley and teaching us so much about entomology and the agriculture of cannabis and hemp! 🌿 🐝 🧑‍🌾 🧵 1/3 #HempScience #Agriculture #FoodAsMedicine #OneHealth #ASUResearch #WestValleyForward

A big thank you to Robert Masson (University of Arizona Cooperative Extension) for showing us and our visitor Marguerite Bolt (Purdue Agriculture) this weekend the production of leafy greens and other produces in Yuma! 🧑‍🌾 🌿 🥼 🔬 🧵 1/2 #Agriculture #OneHealth #ASUResearch

ASU Cannabis Analytics, Safety and Health Initiative (newcollege.asu.edu/cannabis) started off this semester with a BANG 🎉 with a special visit today to ASU Health Observatory at Phoenix Bioscience Core (@phxbiosciencecore.bsky.social)!!! 🌿🍄🔬👨‍⚕️🤩🧵 1/2

Happy 2026!!! Next Tuesday (January 20th), Marguerite Bolt, the extension specialist of Purdue University Hemp Project (ag.purdue.edu/hemp-project/), will deliver the final two lectures at this year's ASU Cannabis Analytics, Safety and Health Seminars... 🌿 🎓 🤩 🧵 1/4

Do universities have a future in Trump's plans to accelerate scientific discovery through the use of AI? www.futureofbeinghuman.com/p/universiti...

What do our best friends tell us about cannabidiol (CBD) and hemp supplements? 🐶 🌿 💊 🩺 🥼 🧵 1/4 #DogScience #Supplement #Innovation #ASUResearch Dog Aging Project (@dogagingproject.bsky.social) ASU Cannabis Analytics, Safety and Health Initiative (newcollege.asu.edu/cannabis-ini...)

Next Tue (Nov 18), ASU Cannabis Analytics, Safety & Health Initiative (newcollege.asu.edu/research/cen...) is hosting "Symposium on Regulated vs Unregulated Cannabis Market" in UCB Building La Salle Rm C, West Valley Campus. It is accessible on Zoom upon RSVP: asu.zoom.us/meeting/regi... 🌿🧵 1/4

SCIENTISTS INTERESTED IN CANNABIS, PSYCHEDELICS, AND SAFETY: If you are in the Greater Phoenix area, please join us next Tuesday night at the Scientific Liaison Coalition (www.toxicology.org/slc/index.asp) Psychedelics and Cannabis Toxicologist Social! 🍄🌿🧪🎓🧵 1/4

Richard and I had a blast today promoting our ASU Biological Data Science MS Program and canine science research at the 22nd Desert Dog Police K9 Trials. Special thanks to Malcolm and Dr. Alexandra Carstensen for putting together a dog trivia and to those of you who accepted the challenge! 🤩👮‍♂️🚔🐕🐾🧵1/5

Our first seminar at this year's ASU Cannabis Analytics, Safety and Health Seminars was a blast!!! If you missed out today's action, no worries! Here is our next seminar next Tuesday (available in person and on Zoom)... 🌿 🧪 🧑‍🔬 💡 🧵 1/4

The ASU Cannabis Analytics, Safety and Health Seminars are returning this year with a BANG!!! 🌿 🔬 🛟 🧑‍⚕️ 💥 Please save the dates for our next two in-person and Zoom seminars. #CannabisScience #Innovation #ASUResearch #WestValleyForward 🧵 1/4

ASU Cannabis Analytics, Safety and Health Initiative (newcollege.asu.edu/cannabis-ini...) 's first showing at the Cannabis Research Conference (www.cannabisresearchconference.net) was a success!!! #CannabisScience #ASUResearch #Innovation 🌿 🔬 🎓 ☀️ 😈 🧵 1/4

It was a pleasure working with Symone Griffith (ASU Presidential Scholar & Ph.D. student in @asuhealthsolutions.bsky.social) and Marisa Kreider, Ph.D. (Stantec) in an article, "A Coordinated Approach to Cannabis Policy and Product Safety" (doi.org/10.58875/NLN...) 🌿 🔬 🧑‍🔬 🎓 🧵 1/3

ASU Cannabis Analytics, Safety and Health Initiative (newcollege.asu.edu/research/cen...) is proudly presenting at next week's 9th Annual Cannabis Research Conference in Portland, Oregon! Please come by our presentations on... 🌿🧪🐶🌎😍🧵 1/5

It has been a very educative week attending the IAPHS (@iaphs.bsky.social) Annual Meeting in Pittsburgh, learning more about community-based research with our talented Ph.D. students at the ASU Population Health Ph.D. Program (@asuhealthsolutions.bsky.social )! 🤩🏥🥼🎓 #ASUResearch #GiveEmHealthDevils

Dear all Population Health and Exercise and Nutritional Science Ph.D. students and faculty: The Fall semester is here and let's kick it off with a BANG!!! On Fri, 9/19, we will meet up for networking happy hours at Arizona Wilderness DTPHX (201 E Roosevelt St, Phoenix; azwbeer.com/location/dtp...)

Welcome back, ASU Sun Devils!!! This fall, we are launching a new research, teaching, and workforce development initiative - ASU Cannabis Analytics, Safety and Health Initiative (newcollege.asu.edu/research/cen...). 🌿🧪🔬💻🧑‍⚕️🎓🧵 1/3 #CannabisScience #Innovation #ASUResearch #WestValleyForward

The ASU College of Health Solutions (@asuhealthsolutions.bsky.social‬) Graduate Student Orientation is one of my most favorite days of the year. I can't wait to see the exciting work by this year's Population Health Ph.D. student cohort! 🧑‍⚕️ 🏥 🎓 🤩 #PhDLife #GiveEmHealthDevils

It was a blast at #ScienceOnTap in Tempe last night sharing the latest cannabis and hemp research at ASU West Valley with Dr. Ken Sweat and other members of the lab!!! 🌿 🍺 🧪 🔬 🤩 🧵 1/2 #CannabisEnvHealth #Innovation #ASUResearch #WestValleyForward

Interested in the science of cannabis and hemp? Dr. Ken Sweat and I will talk about the exciting research currently taking place at Arizona State University next Thursday at #ScienceOnTap in Tempe. Spread the words, bring your friends, enjoy a beer, and see you there! 🌿 🍻 🔬 🧪 🧵 1/3

It was a pleasure attending today's Hemp Field Day at Purdue University! The event has grown much bigger since I first attended it in 2023. 🌿🧑‍🌾🦆🌎🧵 1/2 #CannabisEnvHealth #OneHealth #Innovation #GoBoilermakers

This year's Research Society on Marijuana Annual Meeting (‬‪@researchmj.bsky.social) has been a blast! We are particularly thankful to our friendly Canadian colleagues joining us in Detroit from the other side of the border, and for the opportunity to study cannabis use in both countries. 🤩🌿🎓🇺🇸🇨🇦🧵 1/2

Looking forward to attending the Research Society on Marijuana Annual Meeting (www.researchmj.org/meeting) tomorrow with Symone Griffith and Robert Kirchoff, MD, FACP, FASAM (@kirchoff.org‬) in Detroit! #RSMJ #CannabisSafety #CannabisPolicy 🌿 🩺 🏥 🧵 1/4

A huge congratulation to Symone Griffith and Richard Haney for passing their doctoral qualifying exam at ASU College of Health Solutions and Master’s thesis defense at ASU Biological Data Science MS Program, respectively!!! 🤩🎓🌿🐶⚕️🌎🧵 1/3 #CannabisSafety #OneHealth #Innovation

In Part III of my LinkedIn series on Taiwanese cuisine near ASU West Valley, I would like to introduce 168 Bull King Steak House (168 牛大王牛排館; 5795 W Bell Rd, Glendale, AZ 85308). 🐮👑🥩🧋🧵 1/4 #TasteOfTaiwan #台灣風味 #WestValleyForward

I am attending this week's Cannabis Regulators Association External Stakeholder meeting in Denver. After working as a state scientist at the California Department of Pesticide Regulation in 2017 - 2020, being in a room again full of state gov colleagues brings back a lot of good memories. 🌿🧪👨‍🔬🙏🧵 1/2

The bioaccumulation of toxic elements in Cannabis sativa can result in harmful exposure in consumer use. If used properly, the crop can also provide novel applications in soil and environmental remediation. 🌿🧑‍🌾🌎🧵 1/2 #CannabisEnvHealth #Innovation #Sustainability

Educative exchange on cannabis safety and testing continues at this week's ASU Cannabis sativa Testing Workshop. If you have missed it, please check out our video and PowerPoint archive! #CannabisEnvHealth #Innovation #WestValleyForward 🎥 🧵 1/2 leunglab.wordpress.com/may-12-16-20...

The first day of the ASU Cannabis sativa Testing Workshop is a blast!!! If you have missed it, no worries. Here are the recording and PowerPoint: vimeo.com/1083698603/c... leunglab.wordpress.com/may-12-16-20... #CannabisSafety #Innovation #WestValleyForward 🌿🧪🔬👨‍🔬🧵 1/3

What a honor to receive this year’s Research Effort Award at ASU New College of Interdisciplinary Arts and Sciences, and to celebrate it with such a talented research team!!! 🏆🌿🔬🌎🤩 #CannabisEnvHealth #Innovation #WestValleyForward

BIOTECH ENTREPRENEURS: Interested to learn more about the opportunities and challenges of the emerging bioenterprise of cannabis and cannabinoids? Please join us for this free-of-charge biotechnology and analytical business workshop at ASU West Valley on May 16, Friday at 1 pm!!! 🌿🧪👔💡🧵 1/3

What an educative morning to learn about the production and different uses of hemp and to share the latest work on cannabis contaminants from my lab at today’s hemp seminar at Purdue University! 🌿 👨‍🔬 🧑‍🌾 🚜 🚂 #CannabisEnvHealth #ASUResearch #GoBoilermakers

Fusarium fungi and mycotoxins can result in opportunistic infections and vomiting effects in contaminated cannabis. They were found in one in every six black- and gray-market cannabis samples in AZ and CA. Check out our latest study in Environmental Health Perspectives! 🌿🧪🔬▶️ doi.org/10.1289/EHP1...

What an intense few days of science at #SOT2025! The SOT-Eurotox Roundtable and the Psychedelic and Cannabis Toxicologist Social went well. It was also a pleasure to make a new friend from Health Canada! Please stay connected with our mailing list! 🌿🍄🤝🤩▶️ groups.google.com/g/psychedeli...

What a pleasure to reunite with my colleagues in the Scientific Liaison Coalition (www.toxicology.org/slc/index.asp). Looking forward to chatting with you at #SOT2025 about our work on animal alternatives; data science and AI; occupation exposures; psychedelics and cannabis, and more! 🐭 💻 ⛑️ 🍄 👨‍🔬

Our friendly neighborhood Barrow Neurological Institute is hosting a seminar next Friday (March 21), "Parkinson’s and Cannabis: A Review and Practical Approach", by Dr. Benzi Kluger (University of Rochester) at 8:30 am AZ (commonspirit.zoom.us/j/9541640240... Attendance Code: 954 1640 2400) 🌿👨‍⚕️🧵 1/2

I am speaking on "Environmental contaminants in Cannabis sativa" in the upcoming Hemp Seminar at Purdue University on Wed, Mar 26. Please register for Zoom or join us in person for this half-day event to learn more about the science and applications of hemp! 🌿 🧪 🌎 🎓 ▶️ ag.purdue.edu/hemp-project...