For patients without health insurance, plantar wart removal typically costs less than $50 for over-the-counter salicylic acid treatment to less than $200 for prescription cream and less than $1,000 for laser treatment or cryotherapy. In rare cases in which surgery is required, costs could increase to $8,000 or more.
If a large amount of arsenic is swallowed by humans, in a form that is readily absorbed, it can cause rapid poisoning and death. The gut, the heart and the nervous system are affected.
It is a high-profile problem due to the use of deep tubewells for water supply in the Ganges Delta, causing serious arsenic poisoning to large numbers of people. A 2007 study found that over 137 million people in more than 70 countries are probably affected by arsenic poisoning of drinking water.Note that arsenic oxide, As 2 O 3, is a common form of arsenic in groundwater that is soluble, but has no net charge.) Some utilities presently use one of these methods to reduce total dissolved solids and therefore improve taste.