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-- and its wider implications for human mental health treatment -- was found in their poop, per new findings published in Behavioural Brain Research.Rats are better drivers when they're mentally stimulatedKelly Lambert, study author and head of the University of Richmond's Lambert Behavioral Neuroscience Laboratory, trained two groups of young rats: One bunch raised in an "enriched environment" with toys, ladders, balls and pieces of wood designed to spark mental stimulation, and another reared in a standard, unexciting lab cage.The rats learned to enter a custom "rat-operated vehicle," or ROV, adorably constructed from a one-gallon plastic container turned on its side.Once inside, the rat racers would stand on an aluminum plate and press on a copper bar that would trigger the wheels' motor. They'd hold down on the bar until they propelled their tiny car to the end of their enclosure, where they collected their reward: Froot Loops.When it came time to drive, the rats who played with ladders, balls and toys were more adept at operating and steering the ROV, thanks to the neuroplasticity (their brains' ability to change over time) triggered by their environment. Their unstimulated cage counterparts effectively "failed their driving test," Lambert said.Hormones found in their feces showed improved emotional resilienceIn sifting through their fecal matter, Lambert found both groups of rats trained to drive secreted higher levels of corticosterone and DHEA, hormones that control stress responses.Corticosterone is a hormone animals could secrete in high-stakes scenarios like running from a wild animal or defending themselves from predators, but it can also be expressed in lower-risk tasks like doing taxes or worrying about a loved one (though rats likely aren't advanced enough to form a government, let alone impose taxes on fellow rats).DHEA acts as a sort of "buffer," Lambert said, when corticosterone becomes toxic -- that is, when it can't be turned off in a reasonable amount of time, creating prolonged stress.It's evidence that mastering a complex task, like driving a car, bolstered the rats' emotional resilience."It is likely that driving gives the rats a sense of control over their environment," she said. "In humans, we would say that it enhances a sense of agency or self-efficacy."What have rats got to do with human health?The brains of humans and rats share nearly all of the same areas and neurochemicals -- they're just smaller in rodents. And though humans are certainly more complex than rats, Lambert said there are "universal truths" in how both species' brains interact within their environment to maintain optimal mental health.So these results have implications for human health, too (and no, they don't mean rats will drive alongside people in tiny lanes on highways). Emotional resilience is one of the first lines of defense against mental illnesses like depression, she said, and learning what behaviors build that up could clue physicians in on how to treat those illnesses in humans.It's a concept Lambert refers to as "behaviorceuticals," activities that release hormones that can ward off prolonged stress brought on by corticosterone."Anything that reduces stress can build resilience against the onset of mental illness," she said.The activity can be something as simple as knitting, or in rats' case, learning to drive a car. Just engaging hands, paws and brains of varying sizes can enhance a participant's sense of control. 3489

-- made the initial call to 911 Friday about 10 a.m. ET. A second call came from another person at the scene who reported a medical emergency involving a large bird, said Lt. Joshua Crews of the Alachua County Sheriff's Office.Hajos was transported to a nearby hospital, where he died, the lieutenant said. The cassowary remains on Hajos' property as authorities conduct an investigation into the attack, he said.The owner was a breeder of the rare bird that is native to Australia and New Guinea, Alachua County Deputy Fire Chief Jeff Taylor said.The death was an accident, officials said. It appears the man fell, and the cassowary attacked him after the fall, Taylor said.The Florida Fish and Wildlife Conservation Commission considers cassowaries Class II wildlife, meaning they pose a danger to humans and are subject to specific cage requirements. Owners must also have 877

-- most of them children -- will be infected by this fast-moving, life-threatening disease," Henrietta Fore, executive director of UNICEF and Dr. Tedros Adhanom Ghebreyesus, director general of the World Health Organization, wrote in an opinion piece Monday on CNN.About 1 out of every 1,000 children who gets measles will develop encephalitis or swelling of the brain, 371

It’s all in support of Terell Jensen, an 18-year-old who is now paralyzed in his hands and legs after a sledding accident.The last time he could walk and fully use his hands was Nov. 24, when his family was out near Strawberry Reservoir looking for their Christmas tree. “I was being pulled behind an ATV and I just got flung and went into the little ditch,” Terell said. Hitting his back on a rock, the accident left him paralyzed. “Mentally, it’s really tough sometimes, and you really have to push yourself to stay positive,” he said. Kari Jensen, Terell's mother, said it was a miracle they had cellphone service when the accident happened and that the helicopter was able to pick her son up. 698

for serious injuries she suffered after liquid nitrogen was poured into her drink. According to the lawsuit, Stacy Wagers was celebrating her birthday with a friend on Nov. 11, 2018 when the incident happened. She claims that a waiter who was using liquid nitrogen on another guest's dessert, to make it smoke, added the chemical to her water. 346