If you eat foods that are high in sodium, the amount you consume will either not change or increase. You must eat more fruits and vegetables to lower your sodium intake.
Red Blood Cells i believe are not part of the immune system. They carry oxygenated blood to the organs of the body
A person with clinical depression will experience at least four signs of the disorder for at least two weeks.
The symptoms showing the illness may include: Trouble in concentrating or remembering small details, and making decisions in everyday life.
Also you'll fatigued through out the day, you will get feelings of guilt, worthlessness, and helplessness.
It may also include Insomnia, early-morning wakefulness, or sleeping too much.
Also you lose your focus and there is a loss of interest in things once pleasurable, including sex.