1 The primary cause of COPD is tobacco smoke (through tobacco use or second-hand smoke).  The disease now affects men and women almost equally, due in part to increased tobacco use among women in high-income countries.
Swarming is the process by which a new honey bee colony is formed when the queen bee leaves the colony with a large group of worker bees. In the prime swarm, about 60% of the worker bees leave the original hive location with the old queen. This swarm can contain thousands to tens of thousands of bees.
Honey bee swarming is a natural part of a developing their colony. Honey bees swarm as a result of overcrowding within a hive. To create a swarm, an old honey bee queen leaves the hive with about half of the hiveâs worker bees, while a new queen remains in the old hive with the rest of the workers.