I would suggest you go and see a urologist for a full evaluation. To answer you other questions, it is unlikely that forceful intercourse can injure the kidney. Cigarette smokers have up to a four times higher incidence of bladder cancer than non-smokers. The risk correlates with the number of cigarettes smoked, the duration of smoking, and the degree of inhalation. The risks has been observed in both sexes.
Former smokers have a somewhat reduced incidence of bladder cancer compared to active smokers.
It is said to take a cessation of 20 years to approach levels of non smokers. This information is provided for general medical educational purposes only. Please consult your physician for diagnostic and treatment options pertaining to your specific medical condition. Hematuria Information contained within this forum is intended solely for general educational purposes and is not intended nor implied to be a substitute for professional medical advice relative to your specific medical condition or question. Only your physician can provide specific diagnoses and therapies.