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On Saturday in Miami , a naked , " zombielike " man viciously attacked a stateless gentleman , seize with teeth off and eating much of his case . law bourgeon and killed the 31 - year - old attacker , Rudy Eugene , who , harmonise to some news show outlets , may have been high on " bath common salt " at the clip of his cannibalistic fire .

But what just are bath salt ?

Lines of "bath salts."

Lines of “bath salts."

These soothing - sounding essence are not what they seem . Manufactured inChinaand sold lawfully online and in drug paraphernalia stores under misleading sword gens like " Ivory Wave , " bathtub salt incorporate a bevy of fresh concocted chemical substance , such as methylenedioxypyrovalerone ( MDPV ) , which are n’t yet ban by the Union government activity . When take a hit , injected or smoked , the synthetical powder can induce a state of paranoid craze match with abnormal persuasiveness , a combination that often contribute tohorrific act of violence .

In short , " bath salts " in reality do dwell up to the warnings   ofold - school anti - drug ads , which   cautioned potential users of insanity , decease and murder . The salt work by putting the mind ’s survival instincts into overdrive , essentially get an uttermost adrenaline rush that lasts for hours rather than moments .

MDPV , the active ingredient in " bath salts , " increases the body ’s concentration of adrenalinelike hormones that prepare the heart , brawn tissue paper and the nous for the " battle or trajectory " response , explained Thomas Penders , an associate professor in the section of psychiatric medicine at East Carolina University . It does this by stopping neurons in the brain from reabsorbing the chemicals Dopastat and noradrenaline immediately after secreting them , as would normally befall . This leads to a steady buildup of these neurochemicals , which trigger a person ’s primordial survival behavior , Penders toldLife ’s Little Mysteries .

An  distributed by the Federal Bureau of Narcotics in 1935.

An distributed by the Federal Bureau of Narcotics in 1935.

" One system of circuit in our brains are wire to notice and reply to scourge . Overstimulation of this circuit moderate to overestimation of actions by others as threatening . When the organization becomes overwhelmed , as it does [ from an overdose of ] ' bath salts , ' a condition develops known as ' excited delirium , ' " he said . [ Slideshow : Scientists Analyze Drawings by an Acid - Tripping Artist ]

Overdoses of crack cocain , methamphetamine , ecstasy and PCP can also induct " excited delirium . " It ’s a state of paranoid fear and rage mixed with seemingly superhuman strength , as more O is deliver to muscles , increase their power . " This , to some extent , explains the bizarre aggressive behaviors we have seen during the recent rash of ' bath table salt ' cases , " Penders sound out . " [ However , ] I can not ideate what the individual in Miami was comprehend to fully explicate thevicious attackdescribed there . "

Even if no one else gets hurt , sufferer of " excited hysteria " can wind up beat or in the emergency brake way , with medical complications such as cardiac arrhythmias , a capitulum in body and encephalon temperature , muscularity breakdown and kidney nonstarter .

A close-up image of the face of a bat with their wings folded under their face

While other drug can lead to similar event , one particular peril of " bath common salt " is that there ’s no way to gauge how large a battery-acid will spark the effects , despite the product ’s appearance of manufactured consistency . Because the substances are not made in the U.S. or influence for consumption , studies have establish varying concentrations of the combat-ready chemical compound from package to package , said Patrick Kyle , director of clinical chemistry and toxicology at the University of Mississippi Medical Center . This leads to unintended overdoses .

" The exploiter assumes that since one dose of ‘ XYZ ’ mark gave him / her a ‘ charge ’ with the last purpose , one dose will give the same effect , " Kyle wrote in an e-mail . " The drug user may unwittingly overdose on the same amount of product from the same ' brand . ' "

A caterpillar covered in parasitic wasp cocoons.

Close-up of an ants head.

A photo of obsidian-like substance, shaped like a jagged shard

Drawing of the inside of an ancient room showing two people taking drugs.

a tired runner kneels on the ground after a race

a person holds a GLP-1 injector

an illustration of a group of sperm

an MRI scan of a brain

Pile of whole cucumbers

An illustration of a hand that transforms into a strand of DNA

X-ray image of the man�s neck and skull with a white and a black arrow pointing to areas of trapped air underneath the skin of his neck

An image comparing the relative sizes of our solar system�s known dwarf planets, including the newly discovered 2017 OF201

a view of a tomb with scaffolding on it

an illustration showing a large disk of material around a star

A small phallic stalagmite is encircled by a 500-year-old bracelet carved from shell with Maya-like imagery

A man with light skin and dark hair and beard leans back in a wooden boat, rowing with oars into the sea

an abstract illustration depicting the collision of subatomic particles