Um, Letâs Rethink That Salute (1930s) Again, in his book To the Flag: The Unlikely History of the Pledge of Allegiance, Richard J. Ellis explains that by the mid-1930s, Americans had begun to notice eerie similarities between the Bellamy salute and the âHeil Hitlerâ salute.
A lumbar puncture may be used to collect a sample of cerebrospinal fluid in order to detect the presence of certain types of cancer or infection. Lumbar punctures may also be used to inject medications, such as spinal anesthesia or chemotherapy drugs.
Spine x-rays. Teenagers and young women who had many x-rays of the spine to monitor scoliosis have been found to have an increased risk of breast cancer later on. Dental x-rays. A study compared a group of people with meningioma (a brain tumor that is most often benign) with a group without the tumors.It found that the people who had the tumors were more likely to have had a type of dental x-ray called a bite-wing, and to have had bite-wing or Panorex x-rays every year.eenagers and young women who had many x-rays of the spine to monitor scoliosis have been found to have an increased risk of breast cancer later on. Dental x-rays. A study compared a group of people with meningioma (a brain tumor that is most often benign) with a group without the tumors.