Biological Scientist Training and Qualifications. Most biological scientists need a Ph.D. in biology or one of its subfields to work in independent research or development positions. Other positions are available to those with a master's or bachelor's degree in the field.Education and training.A Ph.D. is usually necessary for independent research, particularly in academia, as well as for advancement to administrative positions.ther positions are available to those with a master's or bachelor's degree in the field. Education and training. A Ph.D. is usually necessary for independent research, particularly in academia, as well as for advancement to administrative positions.
Not all illnesses are physical. According to American Family Physician, depression is a major cause of weight loss among elderly people, and when Alzheimer's disease is accompanied by weight loss of 5 percent or more, it's generally a precursor to death. Personality disorders such as anorexia and bulimia rob pounds, especially in young people.
It is not entirely clear why the medication causes weight loss. Celexa can often cause loss of appetite, nausea, and diarrhea, which may contribute to this. Often, these side effects go away with time. Also, since weight gain can be a depression symptom, treating the depression can lead to weight loss.t is unclear why Celexa causes this, but factors such as loss of appetite, nausea, and diarrhea (all potential side effects) may contribute to the unintended weight loss.