Health

Following a trail of blood: A new diagnostic tool comes of age

Blood tests have been a mainstay of diagnostic medicine since the late 19th century, offering a wealth of information concerning health and disease. Nevertheless, blood derived from the human umbilical cord has yet to be ...

Psychology & Psychiatry

'You are getting very sleepy': When hypnotism came to America

In the early 19th century, American factory workers often labored for 12-hour shifts, six days a week, and weaver Cynthia Gleason was having trouble sleeping. That is, until Dr. Charles Poyen "mesmerized" the textile worker ...

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