What type of study compares self-reports of physical activity with rates of illness and mortality?

Epidemiologic study (analytics)

Explanation:

   Epidemiologic study  is a study that focuses on the occurrence of a phenomenon in a  representative population or sample. It is based on observation  of facts and their variations.

DESCRIPTIVE: analyzes the distribution of the phenomenon as a function of  time, place and the characteristics of people through it  to identify possible risk factors and  its origin and mode of propagation. It raises hypotheses.

ANALYTICS: seeks to identify the relationship between the phenomenon and  various factors or conditions to which it may be attributed  behavior and distribution. Tests hypotheses of causal relationship  between exposure factors and events.

it hurts at first because " the cherry is broken" which is a thin layer of skin that breaks so the first time girls have sex it hurts and it bleeds but after the first time it does hurt again because the skin that ia torn does not break again/ grow back.