Norepinephrine, as with other catecholamines, itself cannot cross the blood-brain barrier, so drugs such as. amphetamines are necessary to increase brain levels. Attention-deficit/hyperactivity disorder. Norepinephrine, along with dopamine, has come to be recognized as playing a large role in attention and focus.
This causes an imbalance of water in your body, leading to excessive urination and thirst. Dipsogenic diabetes insipidus: This condition is caused by a defect in the thirst mechanism, resulting in increased thirst and liquid intake. Heart, liver, or kidney failure.
1 The dehydration also causes increased thirst and water consumption. 2  A relative or absolute insulin deficiency eventually leads to weight loss. 3  The weight loss of diabetes occurs despite an increase in appetite.  Some untreated diabetes patients also complain of fatigue.