Low thyroid homone level is known as hypothyroidism. Some of the symptoms of hypothyroidism include weight gain, sleepiness, tiredness, fatigue, intolerance to cold temperatures, tremors, dry skin etc.
Low iron or anemia doesn't always have any symptoms. Some things that signal low iron are fatigue, headaches, dizziness, cold hands and/or your nails may have breakage more than usual.
Since potassium is an electrolyte, you body has to have it to function properly. Some symptoms of a low potassium level are muscle cramps and you become very weak.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.