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Today, the Centers for Disease Control and Prevention released new data on heat deaths among U.S. workers, underscoring the often-tragic consequences that result when employers fail to take relatively simple and low-cost preventive actions.

Next time you pass a tree, you might want to give it a second thought. Maybe even a hug. One day, that tree might just help save your life.

Nearly two years ago, American schoolchildren began sitting down to healthier school lunches, thanks to new federal nutrition guidelines. Media reports of the nutrition upgrade weren’t terribly encouraging, with stories of unhappy kids, unhappy parents and politicians who think addressing childhood obesity is an example of the “nanny state.” However, recent research has found what most parents probably already know: Kids are pretty adaptable — they just need some time.

It looks like a simple piece of paper and it’s nearly as cheap, ideally costing just pennies. But despite its small size, it’s poised to make an enormous impact and potentially save thousands of lives.

When Bethany Boggess first debuted her online mapping project, she didn’t expect it to attract so much attention. But within just six months of its launch, people from all over the world are sending in reports and helping her build a dynamic picture of the lives and deaths of workers.

What do these places have in common: Camp Lejeune in North Carolina; Mountain View, California, where Google headquarters are located; Endicott, NY – the birthplace of IBM; and 389 Superfund sites in at least 48 states plus Puerto Rico and the Virgin Islands? All are contaminated by trichloroethylene (TCE), a carcinogenic solvent. TCE’s health hazards are well-documented. So why are Republicans rushing to condemn EPA’s just-completed TCE risk assessment?

Last year, the U.S. Census reported that record numbers of people were living in poverty. But along with overall poverty numbers, the Census recently reported that concentrated poverty is up, too — and that’s worrisome because it means that more people may face even greater barriers and fewer opportunities to moving out of poverty.

Vaccine safety is one of those topics that has become so tragically mired in misinformation and myth that there can never be enough supporting evidence. So, here’s some more.

Ideally, everyone should be tested for HIV. In reality, however, only about half of U.S. adults have ever been tested for HIV and about half of the 50,000 new infections that happen every year in the U.S. are transmitted by people who are unaware of their HIV status. Such statistics recently led a group of researchers to ask if there’s a more efficient way to go about curbing the HIV epidemic.

When a widely used chemical is identified as an environmental health hazard and targeted for phase-out and elimination, among the most challenging questions for those involved with making such a chemical are: What to use instead? and Will the replacement be safe? The US Environmental Protection Agency’s report identifying alternatives to the flame retardant hexabromocyclododecane (HBCD) illustrates how difficult those questions can be to answer.