"A team led by researchers at the University of Maryland School of Public Health has found that the 'superbug' methicillin-resistant Staphylococcus aureus (MRSA) is prevalent at several U.S. wastewater treatment plants (WWTPs)."

"The West Nile virus epidemic of 2012, the worst in a decade, may be notorious for yet another reason: The virus, in some cases, is attacking the brain more aggressively than in the past, raising the specter that it may have mutated into a nastier form, say two neurologists who have extensive experience dealing with the illness."

"A week after Hurricane Sandy struck the East Coast, parts of the Northeast are still reeling from the wind, rain and flooding. Though the darkened Manhattan skyline may be the hurricane's most obvious consequence, the storm's health impacts may be the more significant and longest-lasting."

"Voters in the city of Wichita rejected fluoridated water on Tuesday, as they did in 1964 and 1978."

"How the industry kept scientists from asking: Does sugar kill?"

"PHILADELPHIA -- Pennsylvania officials reported incomplete test results that omitted data on some toxic metals that were found in drinking water taken from a private well near a natural gas drilling site, according to legal documents released this week."

"Federal regulators have announced the results of a September inspection blitz targeting 13 coal mines in seven states 'previously cited for violations regarding respirable dust sampling ... inadequate dust control ... and hazard complaints' involving excessive coal dust."

"BEIJING — A week of protests against the planned expansion of a petrochemical plant in the port city of Ningbo turned violent on Friday and Saturday when demonstrators attacked police cars and tossed bricks and water bottles at officers, according to accounts from participants posted on the Internet."

"Heart attacks dropped by one-third in one county in Minnesota after two smoke-free workplace ordinances went into place, a new study shows."