Children’s NHS Foundation Trust with information about admission, treatment and general details.

Presents facts, animations, quizzes and activities about healthy eating.

Simple interactive site which helps primary aged children explore their emotions.

Campaigns for better toilet facilities for school pupils in the UK. Contains information for kids on bladder and bowel health plus advice on common problems with school toilets and details of how to get involved with the campaign.

Containing activities, advice and games for deaf children and young people; split into two age groups, 8-11 and 12-18.

An annual fundraising event organised by the BBC to help sick and disadvantaged children throughout the UK. Includes grant details and how to donate.

Liver disease charity for children, young people and teenagers. Information about the liver, liver diseases and living with liver disease.

Provides advice, companionship and fun features for British teens with diabetes.

NHS children's site examining transplants of organs, blood and bone marrow. Contains articles, quizzes, games and information about how to pledge to donate blood or bone marrow when the child becomes old enough.

Features advice and support for children and teens who have alopecia; includes games, jokes, message boards and advice on looking good and staying confident.

Online tool that aims to help young people who have experienced the death of a loved one come to terms with their loss.

Great Ormond Street Hospital presents interactive features on the human body, an A-Z of illnesses, stories from children about their health issues and an Ask the Doc section as well as information on healthy eating.

Helping to educate children into taking care of their teeth by highlighting the importance of regular brushing along with facts about toothpaste, cavities and unhealthy gums.

A free emotional health and wellbeing resource for young people.

Red cross site which aims to teach children about first aid, with games and age appropriate information.

Offering information, games and activities for children in three different age groups, advising on coping with migraine pain.

Free help for young people (under 25 years), who know they need help but do not know where to find it.

Features games and quizzes related to blood and blood donation, including a virtual donor session and an animated "bloody bits" mini site providing information on the human body by Nick Arnold, author of the Horrible Science books.

Features downloadable booklets about epilepsy and information and advice for young people and their parents.

Available for free on iOS and Android, NHS Go provides a confidential health advice and information service for 16-25 year olds.

Contains advice, guidance and support for teens and young people who are HIV positive.

• Just Found Out
• Living with HIV
• Relationships

Offers advice, support and resources for young people wanting to give up smoking. Includes video clips and downloadable fitness sheets.

Developed especially for teenagers who have a parent with cancer.

Offering advice to teenagers on coping with sight loss.

The British Stammering Association provides advice, help and links for teens who stutter.

Offers information from the She Trust for teen girls coping with endometriosis, including a downloadable period plot chart for girls to fill in and show their doctors.

Dedicated to helping improve the quality of life for teenagers in the UK with life limiting illnesses. Includes inspiration, personal stories and details of events and support.

Offering information for children about organ transplants, aimed especially at children directly affected by transplant issues. Includes success stories, message board and explanations of procedures.

Provides extensive information for children and teens about having a cochlear implant and about learning to distinguish sounds and avoid background noise once it is fitted.

British Heart Foundation's youth site presents information on keeping your heart healthy, with games and downloads.

Game which puts children in charge of their very own Yoobot. Through making choices about its diet and exercise levels, they learn about healthy eating and staying fit. From the British Heart Foundation.

Offers information on how the heart works, and on keeping your heart healthy.

Offers information about self-management workshops for young people living with long term health conditions.

Presents interviews and video clips of children, teenagers and young people talking about their experiences of a range of health issues, including epilepsy, teenager cancer and sexual health.