Essentially, the threshold for quieting inflammatory action / modulating inflammatory signalling may be lower than the threshold for affecting body weight
B12 injections contain only vitamin B12, which primarily supports energy production
The ability for the hammer to do each task is dependent on the user

You should not take Contrave if you: Have uncontrolled high blood pressure Have anorexia or bulimia Have or have had seizures Use other medicines that contain bupropion such as Wellbutrin, Wellbutrin SR, Wellbutrin XL, Aplenzin, or Zyban Are undergoing an abrupt discontinuation of alcohol, benzodiazepines, barbiturates, and antiepileptic drugs Drink a lot of alcohol and abruptly stop drinking Have kidney disease Have liver disease (it may cause liver dysfunction or hepatitis) Are depressed or have suicidal feelings Have current or recent (within the past 7-14 days) use of opioids or opiate drugs You should not take Contrave under these circumstances either: If youre pregnant, breastfeeding, or planning to become pregnant If youve taken an MAOI (monoamine oxidase inhibitor), such as Nardil, Parnate, or Marplan in the past 14 days If youre taking any opioids or opiate drugs If youre dependent on opioids or using methadone or buprenorphine If you are in opioid withdrawal Are allergic to any of the ingredients in Contrave If you take opioids or opiates right after stopping Contrave, you may be more sensitive to them and require lower doseswhich poses a risk of overdose

10.1111/pcmr.12949 181 SerafinoA.Sinibaldi VallebonaP.LazzarinoG.TavazziB.RasiG.PierimarchiP.et al (2004)