Dozens potentially exposed to toxic mercury in Houston spill

Dozens of people in Houston potentially were exposed to the toxic metal mercury after it was spilled outside a Walmart, a Sonic Drive-In and a gas station, officials said. Federal and local investigators were trying to determine ...

Researchers find lead in turmeric

It's billed as a health booster and healing agent, but it may be the source of cognitive defects and other severe ailments. A new Stanford-led study reveals that turmeric—a commonly used spice throughout South Asia—is ...

Study says Natives most affected by Amazon mercury

A study of mercury contamination from rampant informal gold mining in Peru's Amazon says indigenous people who get their protein mostly from fish are the most affected, particularly their children.