The genetic history of the British Isles is the subject of research within the larger field of human population genetics. It has developed in parallel with DNA testing technologies capable of identifying genetic similarities and differences between populations.he genetic history of the British Isles is the subject of research within the larger field of human population genetics. It has developed in parallel with DNA testing technologies capable of identifying genetic similarities and differences between populations.
Brittle diabetesâalso called labile diabetesâis a rare but serious form of the disease in which there are dramatic and often unpredictable fluctuations in blood sugar levels. Blood sugar naturally rises and falls throughout the day in response to meals, exercise and other factors.
In this article. When you have the rare but treatable disorder known as aplastic anemia, your marrow -- the spongy stuff inside your bones -- stops making new blood cells. Sometimes it stops making just one type, but more often you become low on all three: red and white cells, and platelets.It can develop slowly or come on suddenly.hen you have the rare but treatable disorder known as aplastic anemia, your marrow -- the spongy stuff inside your bones -- stops making new blood cells. Sometimes it stops making just one type, but more often you become low on all three: red and white cells, and platelets. It can develop slowly or come on suddenly.