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.
Other symptoms of throat cancer include. 1  painful or difficult swallowing. 2  a sore throat that doesn't go away. 3  a sense of a lump in the throat or a constant need to swallow. 4  swelling or pain in the neck. 5  enlarged glands (lymph nodes) in the neck. 6  a chronic cough. 7  wheezing. 8  unexplained weight loss. 9  coughing up blood.