Final answer:
Complicated grief refers to depression-like symptoms lasting longer than usual after the loss of a loved one, which can lead to long-term depression and physical ailments. Religious or spiritual practices may mimic pathological grief.
Step-by-step explanation:
Complicated grief refers to depression-like symptoms lasting longer than usual after the loss of a loved one. In general, grief lasting longer than six months can lead to long-term depression and physical ailments such as sleep and eating issues, anxiety, and unexplained health problems. Problems may continue for up to a year after the death of the loved one, but religious or spiritual practices may mimic pathological grief.