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.
Normal Blood Oxygen Levels. Healthy people have a normal range of oxygen saturation from 95% â 100%, although levels down to 90% are common and not usually cause for alarm.During exercise, the increased oxygen consumption may reduce blood saturation, but the increased breathing rate and blood flow compensate for this.ecause hemoglobin saturated with CO (carbon monoxide) can not be differentiated from that with oxygen, a pulse oximetry test may indicate the blood level is normal, when in fact the oxygen levels are low. Share.