What is the importance of obsolescence as a risk factor?

Why do you have a clicking noise in the back of your head? What is Frank seizure? If the epidermis is cut can you get infected with contaminated HIV blood? If left untreated which sexually transmitted disease will eventually lead to damage of the internal organs and other physical problems such as paralysis numbness and gradual blindness? What holds the stomach in place? How long is Recovery after bicep tenodesis? What is Uremia? What will happen if you put a dialysis bag of water into a water becker? Do you have cyclothymia? How do you calculate the milimeters into inches? What is a period of seven days? What starts an immune response? What are the causes of devaluation? What disorder is characterized by binging and purging? Can asthma be transmitted through fluid such as saliva? What is a scarlet or ruby called? Is HIV virus found in wound drainage? Why you catch your breath when you hiccup and can't begin to breathe again? Are primary teeth permanent teeth? Is hepatitis contagious by kissing?