Be a responsible cannabis consumer, make a blood donation.
Reference Links
http://www.who.int/campaigns/world-blood-donor-day/2016/en/
http://www.redcrossblood.org/learn-about-blood/blood-facts-and-statistics#donor-facts
https://www.leafly.com/news/health/can-cannabis-users-donate-blood
https://www.pritzkermilitary.org/files/4514/0673/6747/Common_Questions_about_Donating_Blood.pdf
