Definitions for epiphenomenal. Here are all the possible meanings and translations of the word epiphenomenal. Wiktionary(0.00 / 0 votes)Rate this definition: epiphenomenal(Adjective) Being of secondary consequence to a causal chain of processes, but playing no causal role in the process of interest. epiphenomenal(Adjective) Of or pertaining to a mental process which occurs only as an incidental effect of electrical or chemical activity in the brain or nervous system.
1 Stress: Stress can exacerbate digestive system disorders, which lead to pain on the right side of the chest. 2  Some key stressors are work, school or family and relationship problems. 3  Muscle Pulls: Pulls of the muscles or ligaments in the chest and injuries to the ribcage may lead to right side chest pain.
There are various reasons that cause pain in the right side of the abdomen. These may include appendicitis, problems in the gall bladder, ovarian cysts, etc. Below are some reasons for such pain symptoms: Appendicitis - Pain in the right side of the abdomen is very commonly associated with appendicitis.