Marijuana Unsafe During Pregnancy or Adolescence: Surgeon General<br>
Marijuana Unsafe During Pregnancy or Adolescence: Surgeon General
The federal government cautions that the drug can affect brain development in both teens and fetuses.
Marijuana Unsafe During Pregnancy or Adolescence: Surgeon General
Marijuana Unsafe During Pregnancy or Adolescence: Surgeon General

The federal government cautions that the drug can affect brain development in both teens and fetuses.

The federal government cautions that the drug can affect brain development in both teens and fetuses.

pregnancy
Fluoride Exposure During Pregnancy Linked to Lower IQ in Sons
Fluoride Exposure During Pregnancy Linked to Lower IQ in Sons
Ashley P. Taylor | Aug 20, 2019
The authors of the study that found the association say more research is needed on maternal fluoride and child IQ.
Exercise Changes Our Gut Microbes, But How Isn&rsquo;t Yet Clear
Exercise Changes Our Gut Microbes, But How Isn’t Yet Clear
Ashley Yeager | Aug 15, 2019
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.
Is Kratom Safe During Pregnancy? Researchers Start to Investigate
Is Kratom Safe During Pregnancy? Researchers Start to Investigate
Katarina Zimmer | Jul 26, 2019
Recent reports of babies born with opioid withdrawal symptoms after their mothers used kratom during pregnancy have generated much concern about the medicinal herb.
Chemist Behind the Combined Oral Contraceptive Dies at 102
Chemist Behind the Combined Oral Contraceptive Dies at 102
Catherine Offord | Jul 2, 2019
George Rosenkranz was part of a team in Mexico City that first synthesized norethindrone in 1951.

Opinion: 10 Ways to Support New Mothers in STEM
Opinion: 10 Ways to Support New Mothers in STEM
Michele Hoffmann | Jun 27, 2019
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.
Metabolism Hits a Ceiling in Athletic Endurance Feats
Metabolism Hits a Ceiling in Athletic Endurance Feats
Shawna Williams | Jun 5, 2019
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.
Three Studies Track People&rsquo;s Microbiomes Through Health and Disease
Three Studies Track People’s Microbiomes Through Health and Disease
Emma Yasinski | May 29, 2019
The second phase of the Human Microbiome Project reports on microbial composition in prediabetes, inflammatory bowel disease, and pregnancy.
CDC Reports About 700 Pregnancy-Related Deaths Each Year in the US
CDC Reports About 700 Pregnancy-Related Deaths Each Year in the US
Chia-Yi Hou | May 8, 2019
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.
Prenatal Sequencing for Some Autism Genes May Soon Be Available
Prenatal Sequencing for Some Autism Genes May Soon Be Available
Jessica Wright | Apr 22, 2019
Two studies, taken together, imply that sequencing can identify a genetic cause for ultrasound abnormalities in roughly 10 percent of cases.