This is likened to a kiseru as there is only metal at the ends, and nothing in the middle, a metaphor indicating that money (metal) only covers the beginning and end
Mechanisms Behind the Smoking-Testosterone Connection While the exact mechanisms behind the relationship between smoking and testosterone levels are still being explored, researchers have identified potential factors that contribute to this connection
Available online at: 156 Priftin (2000)
No consistent e-cigarette or vaping product, substance, or additive has been identified in all cases, and no specific product or substance has been conclusively linked to lung disease in patients
But that doesnt mean pipe tobacco is indestructible
Wang L, Lubin JH, Zhang SR, Metayer C, Xia Y, Brenner A, Shang B, Wang Z, Kleinerman RA: Lung cancer and environmental tobacco smoke in a non-industrial area of China