What are some of the reasons for cronic neasea in the mornings for men and lack of appetite ?

Many: Causes of chronic nausea in the mornings include gastritis, peptic ulcer disease, gastroparesis, gastric outlet obstruction, biliary dyskinesia; just to name a few. Recommend you see a gastroenterologist for a complete work up.

Numerous causes: Many problems can cause that...But one more cause may be chronic kidney disease..

Many possibilities: But do think about 'reflux'. Nausea may be the sole symptom - there does not have to be 'heartburn' per se...