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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

making Saturday, July 13, Nathan Bedford Forrest Day in the state.Forrest was a Civil War Confederate General, slave trader and an early KKK leader."How can you be a person of humanity, how and then support that statue, support a day when he was the head of the KKK, how can you do that," said Jim Wohlgemuth, with Veterans for Peace.For two years, Wohlgemuth and Veterans for Peace have been pushing a petition to remove a bust of Forrest from the Tennessee Capitol. "To (declare Forrest Day) again, to honor Nathan Bedford Forrest again with a day is just saying, guess what, if you're a person of color we don't care about you," Wohlgemuth said.Nathan Bedford Forrest Day has been observed in the state for nearly 50 years. The proclamation is causing controversy among some Democrat members of Tennessee House of Representatives."This a reminder of the painful and hurtful of the crimes that were committed against black people," Rep. Vincent Dixie (D-Nashville) said.Dixie says like many others he didn't know July 13 was Nathan Bedford Forrest Day in Tennessee. Dixie says this was the wrong move on the Governor's part."Now you're signing a proclamation honoring the same people that fought to keep people that look like me, African Americans in slavery," Dixie said."Tennessee governors are required by statute to issue a series of proclamations each year, including Nathan Bedford Forrest Day. The proclamation that was issued complies with this obligation and is in keeping with prior years," said Laine Arnold, a spokesperson for Lee.Dixie says it's time to take a more in-depth look at the law."I plan on working with legislators to correct this issue; If the governor is sincere about really being the governor for all Tennesseans and not some Tennesseans then he would get behind me, and do the right thing," Dixie said.The proclamation is not limited to Lee. Tennessee law mandates that the Governor must issue proclamations for six state holidays each yea,r including days for Nathan Bedford Forrest and Robert E. Lee. It has been a state law since 1971.Tennessee Code Annotated 15-2-101. Additional special observance days. 2142

about the danger of lice.Optometrists say they've seen more cases of "lash lice" due to the new trend. Many people who get the extensions are afraid to wash their lashes because their extensions may fall out.Experts say that not washing eyelashes can increase bacteria and lead to infection. Even worse, lice can show up, and they can spread.Doctors say cleaning is critical."We recommend tea tree-based cleanser," Dr. Sairah Malik said. "Any cleanser that has a diluted form of tea tree. And it is a good idea to use it on a daily basis."Doctors also say that it is a good idea to give your eyes a break from lash extensions every once in a while.This story was originally published by 689

-- including the American Civil Liberties Union and NARAL Pro-Choice America -- are participating in #StopTheBans protests nationwide. Rallies began taking place at noon local time 182

It's not just about werewolves, full moons and Jason Voorhees. It's about getting cheap — and sometimes free — tattoos."It's like a Black Friday kind of for tattoos," said Joe Roethel, a tattoo artist at 206

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