I think it would be kidneys because of the way the question is worded, kidneys are the only things you have 2 of that also is involved in the digestion of foods.
Try putting an ice pack on it and elevating it
it could effect you because you could have one of the best times of your life!! but in all jokes aside most substances are unsafe to use and or addictive, however is you use non addictive safe drugs like lsd or weed you should be fine however i dont recommend it considering its illegal.
Answer:
Weight training is a type of strength training that uses weights for resistance. By creating a stress to the muscles performed with free weights (e.g. barbells) or by using weight machines, these exercises will enable muscles to be activated and get stronger
Explanation: