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Some of our closest invertebrate cousins, like this Acorn worm, have the ability to perfectly regenerate any part of their body that's cut off - including the head and nervous system. Humans have most of the same genes, so scientists are trying to work out whether human regeneration is possible, too.
Regeneration – now that'd be a nice superpower to have. Injure an arm? Chop it off and wait for it to grow back. Dicky knee? Ingrown toenail? Lop off your leg and get two for one!
It sounds ridiculous, but there's a growing number of scientists that believe body part regeneration is not only possible, but achievable in humans. After all, not only are there plenty of animals that can do it, we can do it ourselves for our skin, nails, and bits of other organs.
Perhaps humans don't regrow body parts because, unlike worms, they have an idea 'how much that stings.'
(Score: 0) by Anonymous Coward on Friday December 02 2016, @07:24AM
Until we can regenerate the bone, ligaments and gum that keep teeth in place, there's not much point in regrowing teeth as they'd fall out pretty much immediately anyways.
This is one of the most ignorant things I have ever read. Jaw loss? What are you talking about? Have you never heard of dental implants? New teeth, just not ones you grow yourself, you have to have someone grow them in a lab, in a petri dish, cloned from stem cells taken from your bone marrow and cultured to be an exact match to the holes in your head! No, none of that is true, either. But implants are. Why do you post stuff like this, Francis? It is wrong, and does not even at least provoke or amuse.
(Score: 0, Informative) by Anonymous Coward on Friday December 02 2016, @02:06PM
his is one of the most ignorant things I have ever read. Jaw loss? What are you talking about? Have you never heard of dental implants?
I have heard of dental implants. I have heard that they cause jaw bone loss.
http://www.webmd.boots.com/healthy-ageing/news/20100119/dental-implants-and-bone-loss [boots.com]
(Score: 1, Informative) by Anonymous Coward on Friday December 02 2016, @02:15PM
Nice, a fake WebMD ran by a beauty supply company. I believe EVERYTHING I read there.
(Score: 2) by butthurt on Friday December 02 2016, @11:38PM
It isn't fake. If you go to http://www.webmd.com/ [webmd.com] and look under the "WebMD Network" section, there's a link to the BootsWebMD site.
(Score: 2) by butthurt on Friday December 02 2016, @11:46PM
Here are links to the abstract of the scientific paper.
https://dx.doi.org/10.1111/j.1600-0501.2005.01137.x [doi.org]
https://www.ncbi.nlm.nih.gov/pubmed/16117768 [nih.gov]
(Score: 0, Offtopic) by Francis on Saturday December 03 2016, @04:57AM
Hi Aristarchus, I see you're posting this BS as though you're being insightful. Ask just about any dentist out there, you lose teeth because the jaw and connective tissues can no longer support the tooth. Some people will lose teeth due to severe decay and injury, but that's less common.
You don't think the bone loss isn't visible on an X-Ray? Dentists do a lot of stupid stuff, but surely, you're not suggesting that when they consider installing implants, they just ignore the jaw when they do that?
Also, dental implants are not real teeth. They look like real teeth, but they're not real teeth. They don't have circulation and they don't recalcify the way that a real tooth does. They're typically attached to a metal screw or similar.
(Score: 0, Troll) by aristarchus on Saturday December 03 2016, @07:43AM
Wow, Francis, are you suggesting you actually know what you are talking about? This is a vast improvement. Keep it up. Tooths recalcify? I did not know that! Wow. Metal screw? Implants? Not. You almost pulled it off, Francis. But your post here reveals your ignorance even further. I will not point it out in detail, since I am already embarrassed enough for you. But seriously, you missed the fact that the original article was about regeneration of all human body parts, including jaws and gums. I know something about this, since I had a finger cut off, and it grew back.
Always acted a little strange, however. Seemed to want to salute Hitler all the time. Just call me, "Dr. Strangelove"