Yes, in some cases.
Scurvy.
Psychosis caused by severe alcoholism over a long period of years.
scurvy, from vitamin C deficiency
this could be a birth defect or a childhood disease called "rickets" which is normally caused by poor nutrition. Sometimes it can be caused by lack of Vitamin D
Psychosis may be caused by the interaction of biological and psychosocial factors depending on the disorder in which it presents;
Most factors are pointing towards their lack of nutrition. This lack in receiving the necessary proteins and vitamins causes many illnesses and symptoms such as cataracts.
Scurvy and rickets are some health problems caused by lack of nutrition, but I don't know many more.
lack of nutrition
Is it just a habit or is it being caused by a lack of nutrition in your diet? Here are few tips to ensure that you are not tormented by frequent sugar cravings.
no food = no nutrition
The suffix in "diabetes" is "-es" and the root word is "diabe-" from the Greek word "diabainein" meaning "siphon" or "passing through," referring to the excessive urination characteristic of the condition.
Lack of iron and other nutrition & calcium