The present invention pertains generally to the field of therapeutic compounds. More specifically the present invention pertains to certain 3,3-disubstituted-(8-aza-bicyclo[3.2.1]oct-8-yl)-[5-(1H-pyrazol-4-yl)-thiophen-3-yl]-methanone, 3,3-disubstituted-(6-aza-bicyclo[3.1.1]hept-6-yl)-[5-(1H-pyrazol-4-yl)-thiophen-3-yl]-methanone, and 4,4-disubstituted piperidin-1-yl)-[5-(1H-pyrazol-4-yl)-thiophen-3-yl]-methanone compounds of the following formula that, inter alia, inhibit 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1). The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit 11β-hydroxysteroid dehydrogenase type 1; to treat disorders that are ameliorated by the inhibition of 11β-hydroxysteroid dehydrogenase type 1; to treat the metabolic syndrome, which includes disorders such as type 2 diabetes and obesity, and associated disorders including insulin resistance, hypertension, lipid disorders and cardiovascular disorders such as ischaemic (coronary) heart disease; to treat CNS disorders such as mild cognitive impairment and early dementia, including Alzheimer's disease; etc.