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Well-Known and Obscure Toxins: How They Work

Well this is a morbid subject but HEY it’s almost Halloween baby!! I was super curious about what toxins actually do on a molecular level after reading about cone snails. Obviously toxins can kill you, but how?? I wanted to know the grisly details. This is not an exhaustive list, just some types of poison, venom, and other toxic substances I was curious about, so let’s get to it.

Deadly Nightshade

Where is it found? Atropa belladonna grows in Europe, North Africa and Western Asia.

How it works: slows your heart waaaaaay down. deadly nightshade contains tropane alkaloids atropine, hyoscine (scopolamine), and hyoscyamine which disrupt the nervous system’s ability to regulate activities such as heart rate, breathing and sweating. It can cause narcosis, paralysis and heart failure as a result. Yikes. But an antidote exists that can reverse these affects if administered in time.

Toxicity: the entire plant is toxic, with roots having the highest toxicity but berries posing the greatest threat to humans because of their appearance. 10-20 berries can kill an adult, and 2-4 can kill a child. Symptoms of mild poisoning include dilated pupils, sensitivity to light, loss of balance, confusion, hallucinations (wild) and convulsions. Doesn’t sound like a good time.

Do not eat the shiny attractive berries!!! (cows and rabbits and other animals can eat it but humans, dogs and cats…NOT SO MUCH)

Totally fun and not morbid fact: during the Renaissance, belladonna was used by women in small quantities to dilate pupils and give a seductive appearance, and this is how it gets its name belladonna, or beautiful woman. Atropa comes from the Greek Fate Atropos who cuts the threads of mortal lives with her shears. Snip snip!

Hemlock

Where is it found? Conium maculatum grows naturally in Europe and North Africa, and has spread to North and South America, Australia and Western Asia.

How it works: stops your breathing. the flowers contain an alkaloid called coniine, which directly affects the nervous system and causes paralysis of respiratory muscles, leading to death from oxygen deprivation. Hemlock poisoning is treated by artificial ventilation for 48-72 hours until the effects wear off.

Toxicity: about 100 milligrams of coniine is fatal to an adult. That’s about 6-8 hemlock leaves, or a smaller dose of the seeds or root. Animals can also be poisoned and killed by hemlock, but luckily dangerous substances cannot be passed into the human food chain from milk or fowl.

Basically you’re only gonna get poisoned by this if someone puts it in your tea, because I assume you’re not gonna just go around just like…chomping on pretty flowers. Right? Right?? ok good.

Arsenic

Where is it found? arsenic is a metalloid that occurs often with sulfurs and metals. It can be present in volcanic ash and groundwater, and as a result can be found in low (acceptable) levels in plants and seafood. Good news: it is rare to find arsenic occurring at dangerous levels in nature.

How it works: in high levels, arsenic disrupts ATP production and causes organ failure due to necrotic cell death. This process can last between 2 hours to multiple days. It can also be fatal in lower doses administered over a period of time, and as such, was a popular murder weapon when it was readily available during the 1800s in England. Symptoms such as vomiting and diarrhea don’t immediately alert someone that there has been an attempted murder unless maybe you’re Sherlock Holmes.

Toxicity: google probably thinks I’m a murderer and won’t tell me just how much arsenic will kill a person. COME ON, google!!! it’s for SCIENCE!

Arsenic is no longer readily available for people to just get in large quantities, so that’s a RELIEF.

Cyanide

Where is it found? cyanide is a chemical compound produced by certain algae, bacteria and fungi. It is also found in plants such as peaches, apples, apricots and bitter almonds. A type of bamboo that grows in Madagascar is so rich in cyanide that it would kill humans, but not the golden bamboo lemur for whom this bamboo is a primary source of food!!! You go girl, eat that cyanide bamboo.

How it works: in non-bamboo-lemurs, cyanide disrupts ATP production, affects the central nervous system and heart, and causes histotoxic hypoxia: the inability of cells to take up oxygen from the bloodstream. Antidotes can work if administered in time for lower doses of cyanide.

Toxicity: 200 milligrams of solid cyanide or a cyanide solution, or exposure to airborne cyanide of 270 parts per million is sufficient to cause death within minutes. Um, YIKES. Really, cyanide was already scary enough as a solid before nature went and made it into a gas that kills upon inhalation. DEEPLY uncool.

Murder mystery writers: slip belladona or arsenic into your literary victim’s tea. Belladonna is sweet, arsenic is tasteless, but cyanide has an acrid and bitter taste.

Fun (well, not fun) fact: if you eat 200 apple seeds (about 40 apple cores) you will receive a fatal dose of cyanide. So like, don’t do that. An apple a day keeps the doctor away and is completely safe, but 40 apples apple cores a day WILL KILL YOU

Vampire Bat Saliva

Where is it found? Vampire bats are found in the Americas.

How it works: a toxic substance called Draculin (I’m serious) in the saliva of vampire bats acts as an anticoagulant by inhibiting an enzyme involved in the coagulation pathway.

Toxicity: vampire bats are indeed venomous and toxic, but they are not at all lethal. It just sorta sucks if you’re being bitten by a vampire bat, but you’ll live. Unless that bat has rabies. Vampire bat saliva also contains an analgesic, meaning the bites are almost completely painless. SO THAT’S SOMETHING

Cobra Venom

“hello do you have a moment to hear about cell death?”

Where is it found? Many species of cobra are found throughout Africa, Southwest and Southeast Asia.

How it works: most cobra venom includes neurotoxins that cause paralysis as well as cytotoxins that cause necrosis and blood coagulation. blood coagulation can happen in minutes.

Toxicity: many types of cobra venom are treatable, but may leave disfigurement from necrosis. If this isn’t scary enough for you, just know that spitting cobras can reach 2.7 m (8.9 ft) in length and like to aim for the eyes.

But you’d still rather be bitten by a cobra than THIS deadly mofo:

Venom of the Inland Taipan

Where is it found? the inland taipan is the most venomous snake in the world and lives, YOU GUESSED IT, in Australia, ie the place where everything is designed to kill you. Evolution decided it can reach 1.8 meters (5.9 feet) with a maximum length of 2.5 meters (8.2 feet), which I think everyone can agree is a dick move on evolution’s part. Take it back, TAKE IT BACK!!!!!

How it works: the venom contains neurotoxins, hemotoxins, and myotoxins AND an enzyme to increase absorption of the venom. Basically it causes paralysis, blood coagulation and muscle damage, because one of these things wasn’t enough apparently. Antivenoms against Australian venomous snakes exist but are least effective against the venom of the inland taipan.

Toxicity: the inland taipan’s venom has a murine LD50 value of 0.025m/kg. This means there is a 50% chance that .025 milligrams per kilogram of weight will cause death. It’s bite contains enough venom to kill at least 100 adult humans. But GOOD NEWS! the inland taipan lives in such remote places that it rarely comes in contact with people. Other slightly less venomous snakes are therefore responsible for more deaths. ….So that’s…still terrifying. just don’t go into the woods in Australia FOR THE LOVE OF GOD

What’s deadlier than the deadliest snake in the world, you ask?

Tetrodotoxin

Where is it found? tetrodotoxin is found in several animals such as pufferfish, moon snails and the small but deadly Australian blue ringed octopus (DAMMIT Australia)

How it works: blocks sodium channels. This prevents normal transmission of signals between the body and brain, causing loss of sensation, paralysis and inability to breathe. Fun!!! Don’t pick up the frickin evil little octopus

Toxicity: more powerful than cyanide, that’s for sure, about a thousand times more powerful in fact. the oral median lethal dose (LD50) for mice as 334 micrograms per kilogram. Fatal pufferfish poisoning result in death in about 17 minutes. The blue-ringed octopus, however, carries enough venom to kill 26 adult humans within just a few minutes. There is no anti-venom.

What’s worse than that, you ask? Ah, you shouldn’t have asked.

Conotoxin

Where is it found? Cone snails are found in the Indo-Pacific, the Cape of South Africa, the Mediterranean, and even southern California. Smaller species are not that dangerous. Larger species, however…

How it works: paralysis within minutes. cone snails have multiple harpoons to administer venom to prey (or unsuspecting humans). the harpoons deliver a venom that has HUNDREDS of different types of toxins, each targeting different nerve channels or receptors. Some cone snail venom even includes pain-reducing toxins. These pain reducing toxins can be 100 to 1,000 times more powerful than morphine. How THOUGHTFUL.

Toxicity: vastly more potent than tetrodotoxin. the oral median lethal dose (LD50) for mice is is 10 to 100 micrograms/kilogram. So like, GOOD LUCK WITH THAT LOL

Ricin

Where is it found? Ricin is obtained from the beans of the castor oil plant.

How it works: inhibits protein production and results in organ failure, respiratory failure and circulatory shock.

Toxicity: The median lethal dose (LD50) of ricin is around 22 micrograms per kilogram of body weight. If that sounds bad just wait till you hear about poison dart frogs 😭

VX

Where is it found? Nowhere in nature. VX is synthetic. It is an oily amber colored liquid in its natural form, was first developed as a pesticide and later for chemical warfare. It is considered a weapon of mass destruction and is banned under the Chemical Weapons Convention of 1993.

How it works: causes stimulation and fatigue of muscarinic and nicotinic ACh receptors, resulting in violent contractions followed by paralysis and death by asphyxiation.

Toxicity: 7 micrograms/kilogram. this is one of the most toxic synthetic substances on earth. Humans have got nothing on mother nature though…

Batrachotoxin

(This guy is called phyllobates TERRIBILIS. but is his cute little face terrible? noooo.)

Where is it found? in certain types of beetles, birds and poison dart frogs found in Colombia.

How it works: similar to conotoxin, batrachotoxin interrupts sodium channels. The resulting migration of Na+ ions causes heart failure and paralysis.

Toxicity: The LD50 is around 2 micrograms per kilogram, meaning that an amount the size of two grains of table salt will kill you, and that this is even worse than a cone snail, Ricin, or VX. Batrachotoxin is one of the deadliest alkaloids known. No antidote exists.

Fun frog fact: this was the poison commonly used by the Embera-Wounaan for poison darts, and that’s where poison dart frogs get their name! How…cute.

Botulinum, most toxic substance in the world

Where is it found? made by the bacteria Clostridium botulinum and related species.

How it works: causes Botulism, which if untreated can result in paralysis and respiratory failure by preventing the release of the neurotransmitter acetylcholine. Botulinum is used in very very very VEEEEEEERY small amounts in Botox, in case you ever needed reasons NOT to do Botox lol.

Toxicity: the lethal dose of 1.3–2.1 nanograms per kilogram in humans. of any toxin natural or synthetic, this is the deadliest known. However!! Actual good news this time: treatments involving antitoxin therapy and intubation are very successful and mortality from Botulism is extremely low. Yay! 

More good news: toxins have been instrumental in medicinal breakthroughs throughout history and continue to be vital to modern medicine. A drug for diabetes was recently synthesized from Gila monster venom: it increases the production of insulin when blood sugar levels are high. A painkiller has been developed for chronic pain patients that is derived from a component of the venom of our friend, you guessed it, the cone snail! These are just two examples of toxins being used in medicine, and a lot of research is still being done because face it: we still don’t know a lot about how our bodies work. Paralyzing agents are extremely important to our understanding of the body and the development of non-opiate non-addictive painkillers because of how they disrupt signals between nerves and the brain.

Long story short: don’t eat nightshade and stay OFF AUSTRALIAN BEACHES and you should be just fine. 

Oh and your tea is getting cold ;)

HEY GUESS WHAT

You're cool and loved ❤️✨

I appreciate the ✨nice✨ things you have said. Thank you :)

I haven’t posted my drawings before, but I’ve been obsessed with the Stanley Parable for ages now so I figured I might as well share some :)

They still have a ways to go.

Not all venom fans are monster fuckers 😞 some of us are just aroace disasters who like the idea of a platonic soulmate who likes to murder annoying people for you, is that so bad?

UH WHAT

UH...... WHAT.........

Nothing beside remains

( @voidofstarryink )

Ok so basically:

Oh hey btw i hope your Stanley likes cats bc I'm drawing him with a very special one rn <3

👀

Well, that is quite intriguing. Please. Either post or message it to me 👉👈 If you are who I think you are, then I will slay you for lying to me tho :))))))

i hate when people write out jessie and james’ wedding because it’s never in character. like ok. first of all, james would not be in a fucking tux. james would be in a dress, and jessie would get PISSED that his dress is nicer than hers, and it would be this fucking clusterfuck of them dress shopping and trying to find the perfect dress chemistry where they both look flawless and james is only a notch below jessie in excellence because duh she has to be the star.

their vows would be a variation of the motto, absolutely no question

meowth would be so happy that he accidentally starts evolving and jessie and james break their fucking kiss to B-button him like BUDDY, BUDDY, GROUND YOURSELF CMON YOU DONT WANT THAT before hes like SHIT, WHAT THE FUCK

giovanni would show up at the wedding and shake their hands. “good evening james. you’re fired.” “yes, i know, boss.” “well, enjoy the rest of your night.”

meowth and wobbuffet would drink WAY too much at the reception, obviously the best man and maid of honor, meowth would drunkenly break into tears while he’s giving his speech about how ‘jimmy’s da best, i really owe my life ta that goiy!’ wobbuffet also crying, agreeing with everything he says, so nansu so nansu so nansu.

how do people fuck up the rocket wedding when it’s the easiest thing to imagine