How does COVID-19 affect the placenta?

COVID-19 can damage the placenta, the American Journal of Clinical Pathology reported referring to a new study. Although the injuries found did not affect the health of the children, the authors warn that such injuries could potentially disrupt the course of pregnancy. The placenta is a temporary organ that connects the developing fetus with the…

Stress can cause hair to gray, study claims

Stress can cause hair to gray, a new study claims. However, to this day, there has been very little real evidence to support the link between stress and graying. A team of scientists from Harvard University explained this mystery. The development of hair follicles takes place in three stages: anagen – growth period; katagen – stage…