Can I Improve My Low Semen Volume And Motility Through Diet And Quitting Smoking?

Hi, my semen analysis report is- Volume- 0.2 Colour - whitish Odour- seminal Consistency- viscid Total count of sperm - 10ml Morphology- normal 70%, abnormal 30% Motility- rapid progressive 10%, slow progressive 20%, non progressive 20%, Immotile- 50% Pus cell- 4-6 HPF RBC - nil Please let me know that’s, should I go to doctor for take medicine or more test? Or I can recover if I change my diet and eat healthy foods. My weight is normal. I don’t take any alcohol and drugs. But I smoke everyday 5-6 cigarettes. Thank you