Supporting parents whose kids who are or might be reliant on alcohol
The UK has a high number of kids who regularly consume high levels of alcohol and this can lead to kids being out of control and have less awareness of their own safety.
Many teenagers don't like taking advice from their parent but there are resources that can help fill that gap so that your child is more alcohol aware.
Websites Offering Support:

alcoHELP
is a charity that seeks to prevent alcohol abuse in children and young people through giving you an understanding the consequential effects of alcohol, and the dangers of alcohol abuse. These include: its impact on the brain and the resulting effects on judgement, emotions, memory, balance, speech and anger levels.
Books on this subject:

Teenagers, Alcohol and Drugs: What your kids really want and need to know about alcohol and drugs
has been written in response to the stories Paul Dillon has heard over 25 years in drug and alcohol education. It provides answers to the questions he has been asked by both young people and their parents and also includes solutions to the many scenarios he has heard about from anxious teenagers who haven’t known what to do when things went bad. It will help them understand the issues teens are facing, and shows how to negotiate a minefield of misinformation and social pressure to tell them what they really want and need to know about alcohol and drugs.

Choices and Consequences: What to Do When a Teenager Uses Alcohol/Drugs: A Step-by-Step System That Really Works
Alcohol and other drug use among teenagers is epidemic. Children as young as grade-school age are experimenting with mood-altering substances. One out of every four high school students drink to excess when they drink. Many teenagers are abusing alcohol and other drugs-and many will die prematurely if they don’t get help. Choices & Consequences tells you precisely how you can help. Written for parents, teachers, family doctors, mental health professionals, school guidance counsellors, social workers, juvenile justice workers, clergy, and anyone else who cares about teenagers, it describes a step-by-step process called intervention that you can use to stop a teenager’s harmful involvement with chemicals. If you’re worried about kids and alcohol or other drugs, you can do something.
Videos on this subject:
ADDICT MANIPULATION, WHAT TO LOOK OUT FOR!
Manipulation is a characteristic of virtually every addict.
The disease of addiction can be described as an allergy of the body and an obsession of the mind. When an addict puts a mood or mind altering substance into their body, they experience a reaction that creates the phenomenon of craving: the desire to consume more of the drug. Once this has taken hold of an individual, the obsession of the mind comes into play, and the addict’s sole focus becomes obtaining and using more.
Individuals who are in active addiction are also master manipulators, and will often take advantage of loved ones in order to get what they need, or justify their behavior. This guide outlines some of the more common forms of addict manipulation.