What type of study design classifies subjects according to their exposure to a factor of interest and then observes them over time to document the occurrence of new cases of disease or other health events?

shhh" is a calming noise that is soothing to the brain . but if ur bf still has nightmares and need mommy and daddy u should get a new bf . u deserve better .

¯\_(ツ)_/¯

sorry for isaiah but he sounds like a wimp

a progressive heart disease that affects pumping action of the heart muscles.

no, because those are both different running competitions. while distance runners train their legs and their lungs to run long amounts of time, the sprinters are training their legs and their lungs to give all they have in the little amount of area they need to cover. the brain also plays a huge part in all of this.

the brain is the only thing in your body that sends messages to your body telling you to run. if you are a long distance runner and you have the mind set of a sprinter, you will not get anywhere. if you have a long distance mind set and you have to run 200m in 20 seconds then you will not make it in time.