The authors of the study that found the association say more research is needed on maternal fluoride and child IQ.

Physical activity, independent of diet, shifts the composition of bacteria in the intestines, spurring researchers to search for species that might provide benefits akin to working out.

Recent reports of babies born with opioid withdrawal symptoms after their mothers used kratom during pregnancy have generated much concern about the medicinal herb.

George Rosenkranz was part of a team in Mexico City that first synthesized norethindrone in 1951.

A support group for mothers is a model for practical, inexpensive steps to ease women’s transition to motherhood—and hopefully retain them in science.

In long-distance, physically taxing events, the amount of energy athletes can expend appears to peak at about 2.5 times their metabolic resting rate—a maximum likely dictated by how many calories they can digest.

The second phase of the Human Microbiome Project reports on microbial composition in prediabetes, inflammatory bowel disease, and pregnancy.

Black women and Native American women die roughly three times more often than white women, and 60 percent of all maternal deaths may be preventable.

Two studies, taken together, imply that sequencing can identify a genetic cause for ultrasound abnormalities in roughly 10 percent of cases.