I am 19 year old boy. My blood and urine test was done this week because I was having cough problems. Hemoglobin levels were 17.8, I guess which is considered higher. I smoke once a week, is that the reason for higher levels in hemoglobin and if yes what can I do to prevent it?

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.