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Science has just solved a medical mystery that has cost thousands of lives in Africa: Black Mamba antivenom can make the venom MORE LETHAL. Understand the "double-strike" strategy and why new treatments are needed URGENTLY.
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Transcripción
00:00The Mamba's Double Trap, The Secret Behind Anti-Venom Failure
00:04Hello and welcome to a new segment that takes us deep into a medical and biological mystery
00:09that has cost thousands of lives, the Black Mamba S-Venom.
00:14For years, doctors treating bites from this snake, one of the deadliest on the planet,
00:19have witnessed a terrifying pattern.
00:21Patients would improve after receiving the anti-venom,
00:24only to suddenly fall into a painful decline.
00:26Today, that enigma has been solved.
00:29Crucial research from the University of Queensland has revealed the truth.
00:33The venom of three Mamba species, the Black Mamba, the Western Green Mamba,
00:38and Jameson's Mamba is far more complex and vicious than we imagined.
00:41It's not one attack, but a double-strike strategy.
00:45It is the hidden reason why anti-venom fails in the final stage,
00:48the coordinated attack, flexidity, and spasm.
00:52We used to believe the Mamba employed a single primary chemical weapon.
00:55The study refutes this and confirms that it executes a coordinated attack
00:59at two points in the nervous system.
01:01First strike, flaccid paralysis.
01:04When the victim is bitten, they experience flaccid paralysis, the limp paralysis.
01:09This is the phase of postsynaptic toxicity,
01:11and we must say that current anti-venoms are quite effective at neutralizing this initial effect.
01:17Second strike, spastic paralysis.
01:19Herein lies the hidden danger.
01:23The research found that upon administering the anti-venom,
01:26the drug itself unmasks a second completely separate attack.
01:30This hidden component strikes another part of the nervous system,
01:33causing a second, much more severe type of paralysis, spastic paralysis.
01:38This is characterized by painful spasms and uncontrolled muscle contractions.
01:43In essence, the venom first blocks nerve signals from reaching the muscles.
01:48But once the anti-venom clears that block,
01:50the hidden components of the venom suddenly overstimulate the muscles.
01:53It is, as one researcher described it,
01:56treating one disease and suddenly revealing another.
01:59Global Implications and the Call to Action
02:01This revelation about the double strike mechanism has profound implications for global health.
02:07Mamba bites, or dendrosbis species, are a constant threat in sub-Saharan Africa.
02:12Responsible for up to 30,000 deaths annually.
02:16The situation is further complicated,
02:18because the study also found that the venom's function varies notably,
02:22according to the Snake-S geographical location,
02:25especially in black mamba populations in Kenya and South Africa.
02:29Given that current anti-venoms were not developed to counteract this complexity and variation,
02:34treatment strategies are challenged across different regions.
02:37Researchers are emphatic.
02:39This is not merely an academic finding.
02:41It is a direct call to action for clinicians and anti-venom manufacturers worldwide.
02:47It is urgent to develop specialized anti-venoms that can target the full range of venom activity,
02:52attacking both the first and second strike.
02:55Only then can doctors make better real-time decisions and save lives.
02:59New, more effective treatments are critical to disarming this deadly and hidden second attack.
03:05The mamba's double trap has been exposed.
03:07Science now has the map to defeat it.
03:09Money experience.
03:10Money experience.
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