The present invention pertains to cannabinoid (CB) receptor neutral antagonists, and especially CB1 neutral antagonists, and including, for example, certain 1,5-di-aryl-pyrazole compounds. The present invention also pertains to the use of such compounds in the treatment of diseases and disorders that are ameliorated by treatment with a neutral antagonist of the cannabinoid type 1 (CB1) receptor, for example: an eating disorder; obesity; a disease or disorder characterised by an addiction component; addiction; withdrawal; smoking addiction; smoking withdrawal; drug addiction; drug withdrawal; smoking cessation therapy; a bone disease or disorder; osteoporosis, Paget's disease of bone; bone related cancer; a disease or disorder with an inflammatory or autoimmune component; rheumatoid arthritis; inflammatory bowel disease; psoriasis; a psychiatric disease or disorder; anxiety; mania; schizophrenia; a disease or disorder characterised by impairment of memory and/or loss of cognitive function; memory impairment; loss of cognitive function; Parkinson's disease; Alzheimer's disease; dementia; a cardiovascular disease or disorder; congestive heart failure; cardiac hypertrophy; and myocardial infarction.