Risks can accumulate over time through exposure to different things over life which is a normal part of life generally. People who do a lot of crazy things are people who are more prone to having different kinds of risks being brought upon them. If you're working as a construction, it's more likely with time that you will suffer from some sort of work-related accident than someone who works in an office all day long.
Answer:
I'm unaware of your age and weight and believe me, I am not a professional but it could be any of the following:
Explanation:
Heart attack (possibly) but if it re-occurs multiple times then unlikely, Pneumonia (also comes with coughing usually but not always), and an anxiety disorder (which is more than likely it but you should definitely mention it to somebody and also most definitely go to the doctor).
Cleans the blood when the kidneys are unable to
