Maybe to vape is popular and healthy (6)
I believe the answer is:
inhale
'maybe to vape' is the definition.
I can't tell whether this defines the answer.
'popular and healthy' is the wordplay.
'popular' becomes 'in'.
'and' says to put letters next to each other.
'healthy' becomes 'hale' (similar in meaning).
'in'+'hale'='INHALE'
'is' is the link.
Can you help me to learn more?
(Other definitions for inhale that I've seen before include "Take smoke into the lungs" , "Breathe in (gas, smoke)" , "take the air" , "Draw in air or smoke" , "Whiff" .)