Alcohol is a depressant and going from heavy drinking to cold turkey is almost always a bad idea. It’s one of those things you need to gradually wean yourself off of. Alcohol withdrawal can legit kill people.
Smoking… I’ve known people who have quit it by going cold turkey.
Is it normal for your BP to rise after quitting
Quit drinking and smoking cold turkey 9 days ago and my BP is about 140s over 80s (was observed to be even higher about 72 hours in)....