What is the importance of obsolescence as a risk factor?

Which organ obtained from a cadaver is not used for transplantation? Can Guillain Barre syndrome be mistaken for MS? Would a narcissist say that they arent deserving of love? Can infected tooth cause high liver enymes readings? What are some notes about Oliver Cromwell's reign? What individual became one of the richest people in the world and used his experience as an entrepreneur to help solve problems like polio unsanitary water and HIVAIDS? What should i do when someone gets headache? Is a 3 centimeter prostate considered enlarged? Sign of arthritis patient has taken too much aspirin? How many blind people have been educated compared to deaf people? Why is my period was a week early and very heavy? Use serum in a sentence? I had a IV Iron infusion today and my last blood pressure reading was 90-58 Is that to low for someone who is 5'0 and weighs 120 lbs This makes my 4th infusion and I have 4 more to go? Can kidneys go sideways? What to do if you have a infected belly piercing? Are the Sebaceous glands ductless? Does hydrocortizone heal lip blisters? What kinds of anemia are there? Should there be large movements at 30 weeks pregnant? Can you catch a cold by not wearing socks or shoes or jumpers or jackets?