Migraine and headache
Medline NLM definition for headache: pain in the head that may result from any cause includes tension and vascular headache
Medline NLM definition for migraine: a periodic vascular headache, usually temporal and unilateral in onset, commonly associated with irritability, nausea, vomiting, constipation or diarrhea, and often photophobia.
The Migraine Trust
The Trust provides a helpline, newsletter, information service, and local support groups.
International headache society (US site)
Its purpose is to advance headache science, education and management, and to promote headache awareness worldwide.
Brain and Spine Foundation
Information on living with a neurological condition and on diagnosis. There are publications and resources. The useful glossary of neurological conditions (under 'Information and support') includes links to some other organisations as well as to Brain and Spine Foundation information.
Healthtalk: nerves and brain
Personal experiences of people living with various neurological conditions.
Collective voice for 80 organisations, including stroke and brain injury. Organisations are listed at https://www.neural.org.uk/our-members/, a good place to start if looking for information on those conditions. Site also includes information about living with a neurological condition, a glossary, and information about onset and diagnosis as well as a small set of real life stories.
NHS Inform: brain, nerves and spinal cord
NHS inform is Scotland's national health information service, with the aim of providing the people in Scotland with accurate and relevant information to help them make informed decisions about their own health and the health of the people they care for.