Homocysteine is not so paradoxical.
Klevay
Leslie M
LM
D000818:Animals; D002318:Cardiovascular Diseases / Q000097:blood / Q000209:etiology* / Q000517:prevention & control; D003300:Copper / Q000627:therapeutic use; D019587:Dietary Supplements; D006710:Homocysteine / Q000097:blood*; D006801:Humans; D020138:Hyperhomocysteinemia / Q000097:blood / Q000150:complications* / Q000188:drug therapy; D014803:Vitamin B Complex / Q000627:therapeutic use
D006710:Homocysteine; D014803:Vitamin B Complex; D003300:Copper