USolwazi Olalekan Ayo wophiko lwesayensi ethinta ezempilo eNyuvesi iSefako Makgatho , uthe ucwaningo olwenziwe iHealth 24 ngo - 2018 olubheka iminxa eminingi nge - e - cigarette , lukhomba ukuthi abantu abasebenzisa lolu hlobo lukagwayi olubhenywa ngokumunca isisi sikagwayi esiphuma sesinephunga lejusi , abayeki ukubhema