I don't know about her license bu she is definately violating the traditions and spirit of her profession.
Florence Nightingale Pledge
"I solemnly pledge myself before God and in the presence of this assembly, to pass my life in purity and to practice my
profession faithfully. I will abstain from whatever is deleterious and mischievous, and will not take or knowingly administer
any harmful drug. I will do all in my power to maintain and elevate the standard of my profession, and will hold in confidence
all personal matters committed to my keeping and all family affairs coming to my knowledge in the practice of my calling."
With loyalty will I endeavor to aid the physician in his work, and devote myself to the welfare of those committed to my care.
Several years ago, I was walking around the Nightingale Museum in London when I overheard an American nurse telling the docent about her leadership in the nurses’ union. The docent replied in horror: “Florence Nightingale didn’t believe in unions for nurses! That’s a disgrace.” Nightingale was exceedingly tough on her nurses.