Call the Midwife has welcomed a fresh face to BBC One as Sister Catherine arrives at Nonnatus House to commence her midwifery training. Molly Vevers takes on the role and makes quite the entrance ...

Myelin is an insulating layer of lipids and proteins surrounding nerves. Myelin damage can cause problems with the nerves’ ability to send and receive electrical messages. Inflammatory disorders ...

, , Georgia Hand and Microsurgery Clinic, Atlanta, Ga.