David’s job requires him to lift heavy objects all day. he starts suffering from severe back pain that does not subside. david’s doctor informs him that he had torn some muscles in his back. which condition explains david’s symptoms?

In which book word demography is used for first time

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment. b) an epidemic is restricted to a local region; a pandemic is global. c) an epidemic has low mortality; a pandemic has higher mortality. d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.

Why would you want to know early on if a deadly disease runs in your family? knowing early will eliminate the disease knowing early will let you better manage stress knowing early can you prevent the disease knowing early can remind you that life is short