New Delhi [India], June 6 (ANI/Mediawire): Fifth May every year marks the day globally to raise awareness about a frequently misunderstood, underdiagnosed or incorrectly diagnosed disease termed Pulmonary Hypertension (PH). The occurrence of Pulmonary Hypertension is not confined to any age, sex, or social background. People often display a visible lack of understanding of being diagnosed with Pulmonary Hypertension by the physicians.