During Lent, many religious people decide to abstain from something to focus more clearly on God.
Next he must abstain from all flesh diet except fish.
I am trying to abstain from sweets for my new diet.
Some have added fish to their dietary; but, speaking generally, all who are called vegetarians will be found to abstain from the use of flesh and fowl and almost invariably also from fish as food.
If you would like to be a safer driver, abstain from using your phone while behind the wheel.