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.
The percentage of lung cancers that are diagnosed at each age is as follows (for example, for every 100 cases of lung cancer, 20 of them will be diagnosed in people age 55 to 64): 1  Age 20 to 34 â 1.0%. 2  Age 35 to 44 â 1.3%.  Age 45 to 54 â 7.9%.