Causes of Narcissistic Personality Disorder. The causes of NPD arenât well understood. Inherited genetic defects are thought to be responsible for up to 50 percent of cases. Contributing environmental factors may include childhood abuse or neglect, excessive pampering, or unrealistic expectations from parents.arcissistic personality disorder (NPD) is a mental condition in which sufferers have an inflated opinion of themselves and an intense need for the admiration and attention of others.
3.) Healthy Fluids. Staying hydrated can be challenging, but it can also help you improve your oxygen levels. Water molecules or H2O are made of two hydrogen atoms and one oxygen atom. Drinking enough water will help you stay hydrated.
Your body has several ways to increase the flow of oxygen-rich blood to working muscle: 1  increased local blood flow to the working muscle. 2  diversion of blood flow from nonessential organs to the working muscle. 3  increased flow of blood from the heart (cardiac output)  increased rate and depth of breathing.