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askscience·Ask Sciencebysabbah

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View original on lemmy.world
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askscience·Ask Sciencebynezrock

Would growth attenuation therapy have saved Robert Wadlow?

I just learned, while in a Wikipedia rabbit hole, about the Ashley Treatment, part of which involves pre-emptive closing of growth plates.

He was killed by, if memory serves, a foot infection, being unable to properly fight it as a direct result of his height. So, you can see where I'm going with this.

And yes, I know it wasn't invented until like 40 years after he was born.

View original on lemmy.dbzer0.com
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askscience·Ask Sciencebym0darn

strange phenomenon - warm door handle

I feel like a crazy person saying this but: one particular door handle in an office building I go to once peer week always feels warmer than ambient.

It's the handle inside the stairwell on the main floor. It feels warmer than ambient, with either hand, if I was just using the handrail or not. There's no sunlight shining on it. I use the handle on my way out of the building a few minutes after I pass by it on the way in, so I know there's nobody standing there holding it for several minutes just before I use it. It feels warm if I check it on my way into the building as well.

The handle on the lobby side of the door seems normal. The handle upstairs seems normal. The door feels normal. The strike plate in the doorframe feels normal.

It's super weird. Could the motion detector mounted above the door be bathing it in IR light or something?

I'm going to see if I can find my IR thermometer to quantify my subjective observation. Are there any other potential sources of energy I haven't thought of? Anything that could be messing with my perceptions? anything in particular I should remember when going to collect some data?

View original on lemmy.ca
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askscience·Ask SciencebyNightOps

Why can't genetic duplication guarantee whether the host will inherit the same personality?

The technology for it exists, but even if you managed to extract someone's DNA injecting it onto a new set of stem cells: once the baby is born, the only thing that genetic code is inheriting is the appearance. They would resemble that person by looks only, however what remains a total mystery is: whether he or she'll have the same personality or behavior as that individual. (You won't know until they gotten older).

For example: this dog passed away, then extracting the genes from that carcass now injecting that onto a pregnant dog of the same breed who'll soon give birth to a familiar looking pup but despite it looking similar to the one you knew: why won't it inherit the same behavior or mannerisms as the source gene? Will that dog recognize the dead dog's owner or would it behave like it's someone else's animal?

Genetic duplication sounds "fun" at first but, it comes at a cost:

  • Slated memory (this person looks like someone you knew but they have zero recollection of their life)
  • Varying behavior and traits (they look like someone you knew, although they display different personalities)
  • The consensus is that the first gene holder is dead, a clone won't be considered the same as "original"
  • The family of the deceased considers them dead even if you have a genetic clone of their relative
View original on nord.pub
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askscience·Ask SciencebyCovertHammer

Why is it hard to permanently cure cancer with 0% resurgence?

The biggest hurdle is that cancer cells move around within your body, alongside multiplying (even if you opt for chemotherapy: there's a probability that'll resist to the medicine or cause more harm than good). Also, Cancer cells aren't foreign invaders like the viruses, bacteria, etc that make humans sick, rather they are the person's own native cells that have "gone rogue" through mutation, making the process on finding a cure complicated.

If you really want to create a permanent universal cure: you will need to study and experiment literally every variation of cancer (it differs by individual too, as the treatment may work on one person but kill another: so the results are R&G to speak). This adds difficulity on creating a 100% antidote, as cancer is linked to a person's own cells (the genetic code varies based on person, it remains a complete mystery if the treatment will work).

The goal of cancer treatments is killing the cancer cells but (ideally) leave many healthy cells as unharmed (if possible), that's easier said than done. Most treatments affecting cancer cells are also going to readily affect a person's healthy cells too (that in itself causes more pain than comfort they would rather die than suffer). Current treatments only provide a working solution, but there's always a chance of resurgence post treatment.

Can Nanobots, mRNA or CRISPR guarantee a 100% cure with absolute zero resurgence on cancer: since how would you know if the patient's body will reject it immediately (even if you knew the person's blood type?). The true instigator of cancer is difficult to answer concretely apart from listing risk factors, since every human being in the world is different (from varying genetic code, health status, pre-existing conditions and etc).

View original on feddit.online
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askscience·Ask SciencebyDon_Dickle

Maybe wrong community but what is the exact readdiction rate for a person who misused Opiods 20 years ago? And how is that figured?

My brother had a big well HUGE Oxycotin addiction 20 years ago, he was a snorter, is there like an equation to calculate what percentage is he at risk to reuse? He has gone so far as telling his doctor, dentist, psychologist, He has to make an appointment for the hospital to put down his past opioid addiction so he will never get treated with it. He has gotten in his head that if he ever gets knocked out or in a car crash or whatever that he is going to wake up and find morphine being put into him and doesn't want that. And his doctor has no relationship with the local hospital. He would rather deal with the pain and everything instead of going back to being an addict and doing it cold turkey again. That is the reason I am asking to put his mind at ease. Cause his appointment is not until 2 months down the road for Medical Records. So he is taking everything overboard at times. Or is there a better community to ask this?

View original on lemmy.world
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askscience·Ask Sciencebyniktemadur

What is the theoretical radius of the Cosmic Gravity Background?

The Cosmic Microwave Background is 13.7 billion years old, yet is currently located at a distance of 46.5 billion light-years. It was emitted when the Universe was around 380,000 years old, the cosmological redshift of this Cosmic Microwave Background is approximately z = 1100, meaning the Universe has expanded 1100 times in size since what we can detect, was emitted. We see these figures all the time.

But what about the Gravity Wave Background emitted at the very instant of the Big Bang, or the Neutrino Background one second later? If we can ever detect the very first gravitational wave of the Big Bang, how much further is the radius of our Detectable Universe pushed outward?

View original on lemmy.world
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