Local and national reason of health initiatives

Describe an individual healthy weight-management plan. the plan should include specific details about goals, diet, exercise, and evaluative monitoring.

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants

Which one of the following causes people to go through a cycle of losing weight, gaining it back, then lose it again