"NEW ORLEANS -- While officials try to pin down the source of a deadly amoeba found in the water supply of a suburban New Orleans community, bottled water sales in St. Bernard Parish have skyrocketed and some people worry about washing their faces in the shower."

"ALTON, Iowa — The puny, yellow corn stalks stand like weary sentries on one boundary of Dennis Von Arb’s field here. On a windy day this spring, his neighbor sprayed glyphosate on his fields, and some of the herbicide blew onto Mr. Von Arb’s conventionally grown corn, killing the first few rows."

"Women in Northern California farm towns gave birth to smaller babies if they lived within three miles of strawberry fields and other crops treated with the pesticide methyl bromide, according to researchers."

A new report from the U.S. Centers for Disease Control ranks the causes of the antibiotic resistance in bacteria that kills an estimated 23,000 Americans every year. One surprise is the finding that hospitals are an even bigger source of resistant bacteria than are food animal feeding operations.

"Pediatricians and public health advocates are working to revive programs to protect children from lead poisoning, after what they describe as a series of devastating blows to their efforts."

"Federal health officials reported Monday that at least two million Americans fall ill from antibiotic-resistant bacteria every year and that at least 23,000 die from those infections, putting a hard number on a growing public health threat. It was the first time that federal authorities quantified the effects of organisms that many antibiotics are powerless to fight."

"FRESNO, Calif. -- The annual rate of hospitalizations for valley fever, a potentially lethal but often misdiagnosed disease, has doubled over the past 12 years in California, according to a study published on Wednesday by the Centers for Disease Control and Prevention."

"Mosquito-borne disease once contained to metro areas in tropics gaining foothold in US, possibly due to climate change."

"As he waits for crabs to take his bait, the Cambodian man explains his approach to eating seafood out of the Duwamish River. 'If it comes up black ... I throw it back,' he says. 'But if it looks normal, that means it just swam up from the Sound. It’s OK to eat.'"

"Pavillion, Wyo., is a tiny community of fewer than 300 people, nearly 2,000 miles from Washington, D.C., in a deeply Republican state that President Obama never had any chance of winning. But Obama's top aide on energy issues, Heather Zichal, took a significant interest in the community's water supply in late 2011 and early 2012."