Formed to raise public and professional awareness of tick-borne diseases, their prevention and treatment. Includes resources on ticks and their effects on pets and humans, advice and guidance, and details of repellent and removal products.

Provides information and advice for adults, children and young people with bladder and bowel problems.

Offers information about this Channel 4 programme, plus video clips, photo galleries and an A-Z advice section covering embarrassing health concerns or problems. Contains explicit images in a medical context.

A national charity that offers support and advice to people with stomas (ostomates) and to their families, carers and friends.

Provides information and community resources for people suffering from a range of "environmental illnesses", including chronic fatigue syndrome/myalgic encephalopathy, fibromyalgia, multiple chemical sensitivity and allergies.

Runs chronic disease self management programmes in Wales. Provides information about courses and how to become a volunteer tutor.

UK specialists in gender therapy.

Written by practising laboratory doctors and scientists to help patients understand the many clinical laboratory tests that are used in diagnosis and treatment.

A coalition of support groups working to improve the lives of people with long term conditions. Includes a list of members, resources, campaigns, and news.

National alliance for those with rare diseases and their families and care professionals. Features press releases, news archive, membership information and details of the annual Rare Disease Day.

An initiative of Genetic Alliance UK offering support and information to families of children with undiagnosed conditions.

Social networking site offering support for those who have joined Weight Watchers.