Arsenic poisoning in india its causes and remedials
Answers
(CNN) Millions of people in Bihar, India, are showing symptoms of arsenic poisoning, which can be linked to cancer, due to consumption of contaminated drinking water. ... According to reports, 17 of Bihar's 38 districts have groundwater with arsenic concentrations above the permissible limit.
Arsenic is not harmful if quantity is up to our needed level, it organic compounds and salts are are highly carcinogenic.
2. When exposed to higher dose than we need causes various diseases such as skin cancer, cell death (narcosis) , organ failure , CNS damage , Disturbances in circadian cycle(daily activities like hunger , sleep etc),hemolysis .
3. Biological mechanism
Arsenic oxides has great affinity for thiols (R—S—R) which blocks active site of enzymes where products are produced and , it also disturbs ATP synthesis mechanism.
4. Important to mention is that in India we expose to arsenic contamination through fruits which are ripened using impure calcium carbide ,when CaC2 react with water produce acetylene along with some arsenic compounds , which accumulated in fruits we eat .
Thats why it is banned to use .