Why zachariah was blind?

What is it like living with Klinefelter's Syndrome? What is the average non-athlete respiratory rate? Does hemoglobin breaks down into the urea in the intestines? Which nerve if it damage it would keep the eye from rotating inferolaterally? Is the Dajjal already here? Is it hiccups or hiccoughs? What is meant by ripening of cheese and what causes it? Does cold medicine affect pregnancy tests? What is the process that moves food through the digestive tract? Why was polio cure good for the people? What if your period skipped for two month and is your first time having it? How long can you run with asthma? What is a normal bowel movement? When you excise your rib cage hurts? Is the lungs lateral to the sternum? Could you die from diabetes? Is there people with unique abilities? What organ is a part of the appendix is a part of the organ? How many people die once a year in the US from noncommunicable diseases? Why is the dermis elastic and spongy?