I used to suffer from very low B12. It was diagnosed by clinical symptoms then confirm by a blood test. I learnt to self-administer B12 injections and now have optimum B12 blood levels. I used to need the injections on a daily basis, but nowadays it's only 2 or 3 times a week.
Epilepsy since childhood. Controlled with neurosurgery in 2000 and continuing medication
Chronic constipation for as long as I can remember
2004 - Started with Severe M.E
2005 - Diagnosed with Heart murmur and tachychardia
2008 - Found to have Osteoporosis
2010 - Diagnosed with Colonic Inertia, Rectocele and Anismus