It happens essentially everywhere. If you think it doesn't happen at your place of work, it's likely just because you haven't been included in the gossip circle.
Drama is stressful/exciting. People who have a high tolerance for stress/excitement are the ones who take on stressful jobs (nurses, police, flight attendants...) and the ones who are more tolerant of/likely to engage in drama.
Drama is stressful/exciting. People who have a high tolerance for stress/excitement are the ones who take on stressful jobs (nurses, police, flight attendants...) and the ones who are more tolerant of/likely to engage in drama.