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Questions tagged [toxicology]

The study of the adverse effects of chemicals on living organisms.

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59 votes
4 answers
15k views

Are spiders unable to hurt humans, especially very small spiders?

In an episode of Peppa Pig, one of the characters says that spiders are very very small, and that they can’t hurt you. Broadcasters in Australia have avoided broadcasting the episode involved, ...
Golden Cuy's user avatar
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56 votes
2 answers
28k views

Does a pear contain 600 times more formaldehyde than a vaccine?

There is a common pro-vaccination argument that attempts to equate the amount of formaldehyde injected into the body when receiving a vaccine, with the amount of formaldehyde ingested into the GI ...
Oddthinking's user avatar
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44 votes
4 answers
9k views

Can venomous snakes be determined by these pupil, nostril and scale patterns?

This image was recently shared by an Australian Facebook friend: The source appears to be a Facebook post of a man from India with a staggering 380,000 shares from around the world! There are ...
Oddthinking's user avatar
  • 144k
41 votes
3 answers
12k views

Is very young lamb poisonous?

I spotted an article on BBC news (repeated on several other news aggregators) about a farmer who had had his lambs stolen. There was a very specific warning given: PSNI Chief Inspector Graham ...
Richard's user avatar
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38 votes
3 answers
15k views

Would eating a packet of cigarettes be fatal?

World Education, a group that promote literacy, have a resource for understanding the risks of tobacco, which claims: Chemicals in cigarettes and cigarette smoke are known to cause not only cancer ...
caub's user avatar
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36 votes
2 answers
267k views

How many almonds does it take to get cyanide poisoning?

I was at lunch today and the conversation turned to almonds and their cyanide content. One co-worker said almonds contain a lot of cyancide and the number of almonds that can kill you surprisingly low....
Coomie's user avatar
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32 votes
2 answers
14k views

Is the Daddy Long Legs spider the world's most venomous?

The claim is the Daddy Long Legs (Pholcus phalangioides) spider is the most venomous spider in the world, but that its fangs are too small to be able to penetrate human skin. The wikipedia article ...
going's user avatar
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31 votes
5 answers
5k views

Is wheat the cause of numerous, serious health problems?

This morning, I stumbled across a realfarmacy article which poses the question [Note: the linked page breaks in Chrome but worked in Firefox]: Why is there such a strong emphasis on the development ...
zashu's user avatar
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30 votes
1 answer
5k views

Is canthaxanthin used in salmon farming toxic to human health?

Founder of Sea Shepherd and co-founder of Greenpeace, "Captain" Paul Watson (captain in what, I don't know) stated that Farmed Salmon is Poison 70% of salmon produced worldwide is farmed, ...
Chris Rogers's user avatar
  • 2,638
26 votes
1 answer
9k views

Can defrosting vacuum-packed fish in its packaging cause botulism?

There are many warnings on the Internet about vacuum-sealed frozen fish thawed in its packaging potentially causing botulism: Why You Should Never Thaw Frozen Fish in Its Vacuum-Sealed Packaging ...
lambshaanxy's user avatar
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23 votes
2 answers
9k views

Was Alexei Navalny poisoned in 2020 with Novichok nerve agents by Russia's Federal Security Service?

I found the video they’re lying about Alexei Navalny “Putin’s Enemy” on YouTube. It discusses four questions about the Russian lawyer and dissident Alexei Navalny, who recently died in Russian ...
Maximilian Janisch's user avatar
23 votes
2 answers
43k views

Do memory foam mattresses give off toxic fumes?

I recently purchased a memory foam (polyurethane) mattress and was looking online to see how long they take to "air out". They produce a strong odor for awhile after manufacture. However, instead of ...
John Rhoades's user avatar
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19 votes
2 answers
52k views

Can eating rhubarb kill you?

I've heard that rhubarb leaves are poisonous, and that you can even die from rhubarb poisoning. Is that true?
brian's user avatar
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19 votes
2 answers
6k views

Is non-stick cookware bad for your health?

Apparently Teflon (PTFE) will release toxic fumes when overheated. See this article for a lot of claims without references. You can also kill birds with it. The claim is that heating Teflon over its ...
w00t's user avatar
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19 votes
1 answer
6k views

When washing-up, is it unhealthy to omit the rinsing stage?

Some people do their dishes and leave the suds on, letting it air-dry, or using a towel. Some rinse it off. I cannot understand the British habit of washing and rinsing dishes in the same dirty ...
Wouter's user avatar
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17 votes
2 answers
967 views

Are animal experiments unnecessary for toxicological studies?

I've heard from animal rights activists that experiments on animals are not necessary because we can get the same or better results from cell culture experiments. An example of that claim is this ...
Mad Scientist's user avatar
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17 votes
2 answers
5k views

Does drinking extra water "flush out the toxins" after a massage?

Felicia Day asked this on Google+: Is there any scientific basis for drinking extra water to "flush out the toxins" after a massage? and I am curious if someone here can answer this.
bitboxer's user avatar
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17 votes
2 answers
4k views

Is the Japanese emperor forbidden from eating fugu (puffer fish)?

According to Wikipedia Fugu is also the only food the Emperor of Japan is forbidden to eat, for his safety This information comes from a Forbes article "Killer Foods": The fish remains ...
Ken Y-N's user avatar
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17 votes
1 answer
12k views

Has any person ever died from a tarantula bite?

From Wikipedia:Tarantula: [N]o fatalities have been attributed to tarantula bites... From Nationalgeographic.com: According to researchers, there's never been a single confirmed human death ...
user avatar
16 votes
1 answer
20k views

Is honey toxic when heated up in tea?

Last night, we ran out of sugar so I suggested to add honey in tea but my cousin said it would have very harmful effect on health and then he showed me these link1, link2 claiming: While warm water ...
GorvGoyl's user avatar
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16 votes
2 answers
22k views

Do onions become toxic or otherwise dangerous within a day of a being cut open?

I saw a new "health advice" meme on Facebook today: Please remember it is dangerous to cut an onion and try to use it to cook the next day, it becomes highly poisonous for even a single night and ...
Flimzy's user avatar
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15 votes
2 answers
10k views

Can someone die of poison given to him years before?

In answering-islam (an anti-Islam site), it is claimed the prophet of Islam, Muhammad died because of poison given to him 3 years ago by a Jewish woman. Immediately following the conquest of ...
TheTechGuy's user avatar
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14 votes
2 answers
24k views

Can you die by absorbing cyanide through the skin?

A friend of mine was talking about The Iceman, a killer that supposedly used cyanide absorbed through the skin as his murder weapon: Kuklinski favored the use of cyanide as it was quick kill poison,...
Kit Sunde's user avatar
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13 votes
0 answers
3k views

Does mixing watermelons with alcohol cause liver damage?

Recently there's been an influx of articles in Polish media warning against consuming alcohol and watermelons (titles via Google Translate): Never combine with alcohol. You can damage your liver ...
gaazkam's user avatar
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13 votes
0 answers
5k views

Can a wasp ingest and use a snake's venom?

Some people claim that if one comes across a dead venomous snake one should always cut of and bury the head as otherwise wasps could reach the venom and add it to their own stinger, for example this ...
Thijser's user avatar
  • 459
12 votes
2 answers
4k views

Can Tifton 85 grass produce cyanide gas?

Today I read something quite unexpected: Preliminary tests revealed the Tifton 85 grass, which has been here for years, had suddenly started producing cyanide gas, poisoning the cattle. [...] ...
Sklivvz's user avatar
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11 votes
1 answer
4k views

Do dolphins intentionally intoxicate themselves with puffer-fish venom?

Since late 2013, outlets as serious as Smithsonian Magazine have circulated the claim that dolphins intentionally get "high" by harassing pufferfish. It is further claimed that this is a ...
Brian Z's user avatar
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11 votes
1 answer
867 views

Is the European NO₂ limit of 40 µg/m³ for outside air backed by strong evidence?

According to the Umwelt Bundesamt, the average annual limit for the NO₂ concentration is set to 40 µg/m³ with the intention to protect people with asthma, small children and older people, especially ...
Christian's user avatar
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11 votes
1 answer
1k views

Do vaccines cause "hypertoxicity"?

A friend recently posted this on their Facebook: Vaccines don't cause autism. They cause hypertoxicity which leads to neurological impairment, and cell death. DRAW YOUR OWN CONCLUSIONS! ~Dr. D....
David Perry's user avatar
10 votes
2 answers
2k views

Did Ralph Nader say that a pound of plutonium could cause 8 billion cancers?

According to "The Myth of Plutonium Toxicity" by Bernard L. Cohen: Plutonium is constantly referred to by the news media as ``the most toxic substance known to man.'' Ralph Nader has said that a ...
gerrit's user avatar
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9 votes
2 answers
2k views

Are laundry detergent and fabric softener fumes dangerous to human health?

One of my neighbors raised the topic of toxins in the dryer effluence from our buildings' laundry rooms. That's not particularly surprising, but she claimed there was evidence that the trace toxins ...
dtanders's user avatar
  • 983
9 votes
1 answer
4k views

Is bamboo charcoal safely edible?

Bamboo charcoal is made up of pieces of bamboo, which are taken from plants five years or older and burned inside an oven at temperatures over 1000°C. Bamboo charcoal is well known about its high ...
Popopo's user avatar
  • 301
8 votes
1 answer
5k views

Does anyone know what cyanide tastes like?

There is a story about a scientist who wanted to know what Hydrogen Cyanide (HCN, Prussic Acid) tasted like, but couldn't because he died before he could write it out. But it requires at least 25-30 ...
Anirudh Ramanathan's user avatar
8 votes
1 answer
10k views

Is the smoke from one mosquito coil equal to that of 100 cigarettes?

This article makes the following assertion. Smoke emitted from one mosquito repellant coil is equivalent to those of 100 cigarettes, thus causing harm to a large number of people in India... Is ...
Vinoth Kumar C M's user avatar
8 votes
1 answer
1k views

Are dioxins the most toxic chemicals known to science?

Dioxins are implicated in The Seveso disaster in Italy and the lingering disputes about deformities and birth defects caused by the use of the Agent Orange defoliant in the Vietnam war (Wikipedia ...
matt_black's user avatar
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8 votes
1 answer
24k views

Could cutting one's self on a broken CFL bulb cause severe injury?

Related: How dangerous is a broken compact fluorescent lamp (CFL)? Actually someone asked this exact thing on that question, but it wasn't addressed, perhaps because they provided no link/further ...
Hendy's user avatar
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7 votes
1 answer
1k views

Are synthetically produced chemicals not found in nature more likely to be harmful than naturally occurring ones?

Since everything is made from chemicals the often made claim that we should avoid food that doesn't contain chemicals doesn't make any sense. But the underlying idea that synthetic chemicals are ...
matt_black's user avatar
  • 56.2k
7 votes
1 answer
633 views

Are polyfluorinated chemicals linked to men's penises being smaller?

A recent story in Huffpost raises the spectre that cooking in non-stick pans could be harming male fertility, not least by making penises smaller: Chemicals used to make non-stick pans have been ...
matt_black's user avatar
  • 56.2k
7 votes
1 answer
2k views

Are fungal toxins prevalent in brewed coffee?

A question on Cooking SE brought up the fact that: One study showed that 91.7% of green coffee beans were contaminated with mold. This is before they were processed, which allows even more mold ...
Chad's user avatar
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7 votes
0 answers
3k views

Was there a pattern of women in Middle Ages Europe poisoning their husbands to keep them close?

There's a claim doing the rounds on social media, that women in the Middle Ages would poison their husbands, and then administer an antidote on their arrival home. The implication is that this would &...
Jerome Viveiros's user avatar
7 votes
0 answers
1k views

Are chicken haunches especially toxic?

There have been some health concerns raised (mainly through word of mouth) with regards to the toxicity of chicken haunches. Apparently, in the industrial breeding and rearing of chickens many ...
Huey's user avatar
  • 1,121
7 votes
0 answers
190 views

Do reusable plastic water bottles leach dangerous chemicals? [duplicate]

Possible Duplicate: Is refilling water bottles bad for you? Several articles claim that the 'chemical leaching' from reusable clear plastic water bottles leads to toxins in the water, not even ...
Christopher's user avatar
  • 1,064
6 votes
1 answer
3k views

Are baby snakes as venomous as adult ones?

I'm in a locality where I can find snakes walking around with ease. Its probable that I will also find the snake's baby (sized 4-5 inches). Whenever we encounter any such child some people at ...
Santosh Kumar's user avatar
6 votes
1 answer
2k views

Do the seeds from 20 apples contain a fatal dose of cyanide?

This Healthline article claims: According to the Centers for Disease Control and Prevention, 1-2 mg/kg is a fatal oral dose of cyanide for a 154 lbs. (70 kg) man. You would need to finely chew and ...
SleepingGod's user avatar
6 votes
1 answer
1k views

Is drinking water stored in copper vessels (copperware) good for your health?

It's a wide spread belief in India (Ayurveda) that drinking water stored in copper ware (like copper jugs and pots) is better for health. There's even a website about it: Dr. Copper's "Scientifically ...
Dudey's user avatar
  • 909
6 votes
0 answers
327 views

Can bee stings be treated with onions?

Someone told me that when you have a bee sting you should cut an onion in half and apply it to the sting for 30min - or even better make onion puree and apply it. This sounds a bit like folk-medicine ...
ChrisWue's user avatar
  • 111
5 votes
1 answer
9k views

Can you become immune to Snake Venom?

Is it true that long term regular exposure to snake venom will make you immune to venom from an attack from a snake? (Also see this Reddit Link)
Chris Rogers's user avatar
  • 2,638
5 votes
1 answer
10k views

Does eating burnt toast neutralize ingested poison?

A doctor told me today that eating burnt toast along with tea is a remedy for poison. Apparently the burnt part of the toast acts like activated charcoal and adsorbs the poison you've ingested, and ...
Nav's user avatar
  • 599
4 votes
1 answer
831 views

Long term effects of sucralose

I can't find any information about long-term negative effects of Sucralose consumption other than a very high toxicity level claimed by several studies. There is lots of speculation online about how ...
Alan Turing's user avatar
4 votes
0 answers
290 views

Was poisonous gas used during the Sep 2015 Mecca stampede?

This post from AWDNews is doing the rounds on Facebook: Saudi forces deliberately used poisonous gas during the Mecca stampede, says a Saudi expert Mr. Hani al-Shoukri , an astute Middle-East expert ...
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