Medical experts have recently come up with more theories about the cause of Napoleon's death.
The team of scientists working at Dartmouth College of Medicine, Dartmouth College, USA, found that there was a risk of arsenic poisoning when using rice.
Every year, about 100 million people in Bangladesh, Cambodia, India, Myanmar, Vietnam and China are poisoned by arsenic-containing water.
Swiss and Chinese scientists warned on August 22 that nearly 20 million people across China are facing the risk of poisoning by using arsenic-contaminated groundwater.
Folic acid, a very readily available vitamin in green leafy vegetables, can
Xiong Demin may never have imagined that the mine where he worked for the past 32 years could cause hundreds of villagers to be poisoned, and cause both his and his wife to have
Arsenic is a toxic substance, often found in groundwater or water sources with residues of pesticides, but if exposed for long periods of time can lead to many diseases, mild