According to Mrs. Rubin, there are many kinds of toxin that can increase immunity to other toxins, such as germs and bacteria, but there are also many kinds of toxins that can seriously harm a human and should not be touched, such as lead, mercury, and different radioactive substances. These extremely dangerous toxins are actually used in life and are very prevalent in it. Mercury is used in thermometers, lead is used in tanks and to protect against x-rays, and radioactive substances are used everywhere, including power plants. Most people believe that the word “toxins” always illustrates a negative connotation, but it is very odd to see that toxins are much more beneficial than you would