What Are The Most Common Symptoms Of Hypothyroid?

I have had a few friends with this condition.  They loose weight, are tired all the time, get angry easily, and are weak.  As well, they get depressed.  One of them I lost to suicide, another got divorced cause she was so depressed.  Her's was caused by not having enough salt in her diet.  Another, is so argumentative, you can barely stand to be around him.  It not only has physical effect, but emotional.  It is so sad to see a person go so downhill because of this.  Even suicide.  Egads, was shocked.  But he couldn't take it anymore