What is the importance of obsolescence as a risk factor?

Does blistex help cold sores? Did water diffused into or out of the dialysis membrane? Why do your teeth keep break off? How can you help autistic people enjoy life? Can a person with one kidney benefit from dialysis? Why does diabetes happen? Who invented synthetic hair? What is tc and DC in blood test? What could the symptoms of light-headedness and weakness mean? My friend suggested that I'll have my dentist get me an all-ceramic or all-porcelain dental crowns' What do you think' Should I proceed with that or can I just get a metal crown instead? Why can't you breathe if you bruise your diaphragm muscle? Are you classified as bulimic if you eat around 500 cals a day exercise and only throw up sometimes? Can Crohns Disease be caused by stress? What is circumvallate placenta? Are people with Asperger's Syndrome more likely to have Maladaptive Daydreaming? How does disease affect the organism? Are cells taller in the basal or superficial layer of the epidermis? How does Creepypasta drive viewers to Suicide? What is the relationship between the temperature of a radiating body and the wavelength it emits? What causes venous hypertension?