Healthy Environment and Endocrine Disruptor Strategies
HEEDS is a non-profit coalition of scientists dedicated to improving communication, coordination and collaboration in the field of endocrine disrupting chemicals (EDCs). HEEDS is developed by scientists for scientists. There are no membership fees. HEEDS works to move EDC science forward, increase collaborations across scientific disciplines, communicate results and improve policy and regulations.
2025 Lou Guillette Jr Outstanding Young Investigator Award Winner: Dr. Shuo Xiao
Gordon Research Conference: Environmental Endocrine Disruptors
In Newry, Maine, June 28-July 3, 2026.
Lou Guillette Jr. Memorial Symposium
Recordings and excerpts of the meeting are now online
EDC Policy News
Events
EHN EHN
- After years of gains, GOP pushes to roll back chemical regulationsby EHN Curators on March 6, 2026 at 12:15 pm
In Texas, environmental activists and experts raise the alarm about the impact on the state's petrochemical industry.
- Senate GOP backs speedier chemical reviews; Dems cite health risksby EHN Curators on March 5, 2026 at 12:20 pm
Proposed changes to the nation’s premier chemical safety law are necessary for American competitiveness, Senate Republicans said in a hearing on Wednesday, as Democrats warned the changes will harm public health.
- Former EPA staff detail expanding pollution risks under Trumpby EHN Curators on March 4, 2026 at 6:00 pm
The Trump administration’s relentless rollback of public health and environmental protections has allowed widespread toxic exposures to flourish, warn experts who helped implement safeguards now under assault.
- Wisconsin Gov. Tony Evers signs off on new PFAS, lead regulationsby EHN Curators on March 2, 2026 at 6:41 pm
Gov. Tony Evers has signed off on new Wisconsin regulations that mirror federal limits on PFAS and lead in drinking water, even as legal and political battles continue at the state and national levels.
- Health advocates clash with chemical industry as Congress proposes TSCA changesby EHN Curators on March 2, 2026 at 12:02 pm
Scientists and health advocates say proposed changes to a key US chemicals safety law would upend protections for children and other vulnerable populations suffering from toxic exposures, while industry leaders argue the changes would help them get new chemicals to market without sacrificing safety.
EHN EHN
- Gordon Research Conference on environmental endocrine disruptorsby Sarah Howard on January 16, 2026 at 4:02 pm
This year's Gordon Research Conference on endocrine disruptors will be held June 28-July 3, with the accompanying Gordon Research Seminar on June 27-28, in Newry, Maine. These conferences bring together graduate students, post-docs, professors, and researchers who work on endocrine disrupting chemicals, and are an invaluable source of discussion. Apply to attend and submit your abstract by January 20th if you would like to be considered for one of these short talks using this link.
- National PFAS Conferenceby Sarah Howard on January 15, 2026 at 10:15 pm
The University of Arizona is hosting the National PFAS Conference, in person in Tucson on June 8-10, 2026.
- Webinar recording: Effects of chemical mixtures on ovarian functionby Sarah Howard on January 15, 2026 at 7:07 pm
In this Feb. 12 webinar, Dr. Shuo Xiao introduced his lab research that focuses on integrating in vivo, in vitro, and in silico models to study the impacts of real-world mixtures of endocrine disrupting chemicals (EDCs) on female ovarian function, reproductive outcomes, and the molecular mechanisms involved. Dr. Xiao is the 2025 winner of the Lou Guillette, Jr Outstanding Young Investigator Award from Healthy Environment and Endocrine Disruptor Strategies (HEEDS), a program of Environmental Health Sciences. Sponsored by the EDC Strategies Partnership and Young EDC Scientists Showcase (YESS).
- Webinar recording: CHE Cafe: How states can lead on environmental healthby Sarah Howard on January 15, 2026 at 6:02 pm
This Jan. 22, 2026 webinar featured Susan Kaplan, author of A Healthy Union: How States Can Lead on Environmental Health, published by Island Press. Sponsored by the Collaborative for Health and Environment (CHE).
- Webinar recording: Corporate influence on science in a shifting political landscapeby Sarah Howard on November 3, 2025 at 5:34 pm
This Dec. 11, 2025 webinar featured Dr. Nicholas Chartres, Dr. Lisa Bero, Wendy Wagner, and Dr. Kristi Pullen Fedinick, who explored the influence of financial conflicts of interest on science and regulatory decision-making, the laws that minimize harm, and efforts by the current Administration to enable corporate capture of EPA and dismantle environmental regulation altogether. Hosted by UCSF's Program on Reproductive Health and Environment and Science Action Network in collaboration with the Union of Concerned Scientists and CHE.
HEED The Call
Your donation will help HEEDS provide education and outreach activities, scientific reports and publications, scientific workshops and webinars as well as other activities and programs to reduce exposure to EDCs and improve health. We are a program of Environmental Health Sciences.
Photo of elk by HEEDS Elder Pete Myers, PhD.










