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.
This measurement is called an arterial blood oxygen. A normal arterial blood oxygen level typically falls between 75 and 100 mmHg. Your blood carbon dioxide level and pH -- a measure of acidity or alkalinity -- are usually measured along with the arterial blood oxygen level. pulse oximeter uses light to measure the oxygen saturation level, the percentage of hemoglobin in your red blood cells carrying oxygen. Normal oxygen saturation levels fall between 95 and 99 percent.