Ecological impacts of the absence of birds and lizards (largely insect-eating species) include a rise in the abundance of insects, which may affect crop production. The brown tree snake causes frequent electrical power outages by climbing power lines and getting into transformers and electrical boxes. Snakes have caused more than 1600 power outages in the 20-yr period of 1978-1997 and most recently nearly 200 outages per year.
As with many cancers, the risk of developing throat cancer increases with age, with most people being over the age of 65. Men are two to three times more likely than women to develop throat cancer in their lifetime.
Throat anatomy. Throat cancer occurs when cells in your throat develop genetic mutations. These mutations cause cells to grow uncontrollably and continue living after healthy cells would normally die. The accumulating cells can form a tumor in your throat.It's not clear what causes the mutation that causes throat cancer. Hypopharyngeal cancer (laryngopharyngeal cancer) begins in the hypopharynx (laryngopharynx) â the lower part of your throat, just above your esophagus and windpipe.