Type 1 diabetes: Frequent urination, unusual thirst, extreme hunger, unusual weight loss, extreme fatigue, irritability. Type 2 diabetes: Any of the type 1 symptoms frequent infections, blurred vision, cuts or bruises, tingling or numbness in the hands or feet, recurring skin, gum, or bladder infections.
Sociopaths are often unable to control their behavior and their expressions of annoyance, irritability and threats when faced with situations not appealing to them and they often tend to resort to threats, aggression and verbal abuse.
However, this could only be a few of the sociopathic tendencies of an individual. More correctly cited as a result of antisocial personality disorder, sociopaths are characterized by their utter disregard for the rights of others.