How can a middle aged person increase his sperm count quality naturally? Does rise in age affect the quality of a sperm? List of drugs to increase quality of sperm and side effect, if any?

Drink Less - AskMen

Healthy sperm: Improving your fertility - Mayo Clinic

http://www.askmen.com/top_10/dating/7-ways-to-boost-your-sperm_5.html

http://www.mayoclinic.org/healthy-living/getting-pregnant/in-depth/fertility/art-20047584

http://www.askmen.com/top_10/dating/7-ways-to-boost-your-sperm_5.html

http://www.mayoclinic.org/healthy-living/getting-pregnant/in-depth/fertility/art-20047584