Which of the following modern beliefs about avoiding the spread of infection relate to the miasma theory?
A. Properly disposing of waste and decaying matter
B. Maintaining fresh, clean air
C. Cleaning and disinfecting surfaces
D. Washing your hands frequently

What is crystallographic data processing and structure determination? what are the physical infrastructures of x-ray crystallographic structural biology? who can tell me detailed information? any would be appreciated. in advance!

Ms. b is a 40-year-old woman who is the ceo of a struggling company. lately she has been experiencing headaches that are so severe that she gets dizzy and nauseated, and she is unable to carry out her usual daily routines. she reports that they usually begin as a throbbing pain in the left temple and then seem to spread throughout her head. a diagnosis of migraine headache is made after several tests. based on the patient history and signs and symptoms, discuss this type of headache and its physiological causes. discuss the available treatments to prevent and/or relieve the patient’s migraine.

Who should not take vitamin supplements?