 [ Symptoms ] pain in shoulder radiating down arm should i use ice or heat  worked out with a trainer tuesday and that night woke up with pain in shoulder radiating down arm especially around elbow have had ekg so no heart issue been taking alieve but need to know if i should use cold packs or heat [ Disease ] clean what using marijuana is decisional so just make a decision not to use it if you are talking about getting a clean drug test it would depend on many factors the sensitivity and type of test used by the lab and what you consider as a light user and how fast your body clears cannabis from your system it is possible that some lab tests like hair will detect thc at 23 days