I've been on a 16:8 IF schedule for around 10 months now and I have lost around 10 kgs, without any exercise. I don't feel stuffed all the time now and my mind

I've been on a 16:8 IF schedule for around 10 months now and I have lost around 10 kgs, without any exercise. I don't feel stuffed all the time now and my mind has become clearer. But that could also be because I replaced alcohol with weed and started meditating. I haven't done any checkups but I think my health has improved vastly.