After all, pharmaceutical drugs have undesirable side effects and sometimes even unknown risks for long term users. (thehealthyhomeeconomist.com)
But it is also wrong to rush into using materials with unknown risks widely among consumers or in a manner with a large release to the environment. (treehugger.com)
Those plans can have higher premiums than plans that require a medical exam to help the carrier offset unknown risks. (bestliferates.org)