British charity Childline states that over 100 children per week call 
the organization’s hotline to express concern over their parents’ drug 
and alcohol use, prompting the charity to call for more efforts to help 
the youths and to warn of the harmful substances’ adverse effects.
http://www.bbc.co.uk/news/uk-10981688 
http://news.bbc.co.uk/2/hi/uk_news/8313264.stm
http://www.nspcc.org.uk/