Overweight mothers may be more likely to have infertile sons, Danish researchers report.Their study included 9,232 men and women aged 31 to 34. Among...
If you’re still unsure if your child needs a test, call their pediatrician, said Dr. Kristin Moffitt, an infectious disease specialist at Boston Children’s...
Before boarding their flights, all international passengers headed to the United States will first need to show proof of a negative coronavirus test, according...
What to Know About the World’s Top Covid-19 VaccinesThe Health and Science DeskTracking the coronavirusOxford-AstraZeneca
Efficacy: 62-90%, depending on dose
Dose: 2 doses, 4 weeks apart
Storage:...
Almost 45 percent of patients had had more than 10 sexual partners during their lifetimes, compared with 19 percent of the cancer-free controls. People...