ENVIRONMENTAL EXPOSURE

This study looks for microplastics in the cells and fluid around eggs in women having fertility treatment. Researchers will collect samples from 100 women during their IVF procedure. The goal is simply to see if microplastics are present, not to treat or change anything.

This study follows 1247 mothers and their children for at least 20 years to learn how genetics, diet, lifestyle, and environment during pregnancy and early childhood affect future health. Researchers will track both mother and child to understand risks for metabolic and mental he…

This study tests whether a package of improvements—like cleaning vacant lots, fixing abandoned houses, planting trees, and offering financial help—can improve the health of Black adults in Philadelphia. About 720 adults in 60 neighborhoods will take part. The goal is to see if ad…

This study tests whether a 'big push' of investments—like cleaning up vacant lots, planting trees, and offering financial help—can improve the health of Black children in Philadelphia. About 480 children from 60 neighborhoods will take part. The goal is to see if fixing up the co…

This study looks at whether cutting down on certain chemicals found in plastics and personal care products can help people with overweight or obesity lose weight. About 226 adults will either follow a program to reduce these chemicals or a standard digital weight loss program. Re…

This study in rural Guatemala looks at how burning plastic waste affects people's health. About 400 women of childbearing age from 16 villages will take part. Half the villages will join weekly group sessions to learn ways to reduce plastic burning, while the other half will not.…

This study tests whether a personalized digital program can help people of childbearing age reduce their exposure to endocrine-disrupting chemicals (EDCs) found in everyday products. Six hundred participants receive either chemical testing and a report alone or the same plus an o…

This large study will follow 100,000 Chinese families from before pregnancy until children reach age 14. Researchers want to learn how parents' health, lifestyle, and environmental exposures before and during pregnancy affect pregnancy outcomes, child development, and long-term h…