1 of 6
According to the World Health Organization, how common is endometriosis, a chronic condition in which tissue that normally lines the uterus grows outside the uterus and often causes debilitating pain?
2 of 6
Parechovirus, which typically causes mild coldlike symptoms, can cause severe illness in which age group?
3 of 6
An analysis from the W.H.O. and Unicef, the United Nations agency that vaccinates half the world’s children, found that routine immunization rates fell for which of the following lethal diseases between 2019 and 2021?
4 of 6
True or false? Men lose their Y chromosomes as they age.
5 of 6
For the best chance of preventing monkeypox, when does the Centers for Disease Control and Prevention recommend being vaccinated?
6 of 6
Research suggests that how many species of bacteria live inside our mouths?