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1500 questions
6
votes
1 answer
Can Manual External Defibrillators "restart" a heart?
On TV it appears that every time a heartbeat monitor flat-lines they pull out the paddles of a manual external defibrillator (MED) and give a few shocks, often explicitly cranking up the output when an initial charge doesn't restore a heartbeat.
My…
Lysander
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What's caused by the chemicals, and what's caused by the smoke
The great many downsides of smoking are certainly well-documented by now (to say the least), but something I've struggled to find an answer to is the following:
When looking at health risks of smoking, what's caused by the substance in question…
RPBCL
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6
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2 answers
Can non-visible light still have effect on your eyes?
I am in the process of building a device that will track eye movement via a camera. To light the eye I am using an array of infrared LED's and my camera is sensitive to IR light.
After using the device for several hours today (testing and the like)…
Aphire
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The "gay bomb" and medical aphrodisiacs
Former Nobel laureates and other researchers at Harvard awarded the 2007 Ig Nobel Peace Prize to the creators of the "gay bomb" -- a non-lethal military weapon under development intended to induce demoralizing homosexual behavior with aphrodisiacs.…
Hack-R
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6
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1 answer
Why does hemodialysis need to done for so many hours?
Does hemodialysis take so many hours because the dialyser is inefficient (in other words, every time blood passes through the dialyser only a small fraction of the waste is removed) or because there are about 5 Liters of blood in the body and it…
Lucas Alanis
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6
votes
2 answers
How much pesticide remains on a harvested organic fruit?
Organic fruits can still be treated with pesticides. I would like to limit my intake (or eliminate entirely) of these pesticides. Has there been any investigation into how much pesticides remain on a harvested organic fruit so that I can make a…
user14
6
votes
1 answer
Should I sleep with my bra on?
I have always slept with my bra on. This summer is particularly hot and the sweating makes me feel uncomfortable. I was considering sleeping without a bra.
All the below sentences are quoted directly from different websites*.
If poor circulation,…
user3416
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6
votes
1 answer
Is stomach acid an emulsion?
It occurred to me that oils float on water, and the stomach is always full of aqueous solution. The stomach empties at the bottom, meaning that oils would only ever pass out of the stomach when it is clear of water, which it never is. Assuming…
TheEnvironmentalist
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3 answers
Seasonal allergies home remedies
Like many I have seasonal allergies and spring time is hell
I am allergic to grass and tree pollen
Are there any home remedies that actually work ?
Any way to train body to adapt?
SeanClt
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6
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What are the health risks of drinking Diet Coke while chewing Mentos?
I assume many of you are aware what happens when you drop Mentos into Diet Coke bottle:
source
However, that Wikipedia article does not mention what happens if this eruption happens inside a person, i.e. someone drinking Diet Coke while chewing a…
Shadow Wizard Love Zelda
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6
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1 answer
Do you need to consume iodised salt?
I don't eat table salt anymore except on very special occasions when I'm eating out or something like that, but in my home I prefer to use herbs and other things to add taste to food and avoid using salt when possible (e.g I don't add salt to eggs…
Freedo
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1 answer
What are the implications of having weak A or B blood?
I have a child with weak B blood. I figured out that this means that the B antigen is only weakly expressed: http://www.ncbi.nlm.nih.gov/books/NBK2267/
So I understand what this is, but my confusion is what are the implications for blood donation…
ControlAltDel
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6
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1 answer
Can filling cavities affect Invisalign treatment?
I am 5 months into an Invisalign treatment which is set to last one more year. During my annual checkup, my dentist found that I have two cavities and recommended that they be filled.
Could getting the cavities filled impact the contouring of the…
sleepeez
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votes
1 answer
I've always worn my clear nighttime retainers religiously. Can I get my permanent metal retainers taken out?
I have a permanent metal retainer glued to the back of my top teeth. I have a second one glued to the back of my bottom teeth. They were put on immediately after my braces were taken off. Here's an example of what they look like:
It is too…
Kyle
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6
votes
3 answers
How to know if ( or when) I fall asleep?
Sometimes when I wake up from a nap, I don't even know whether I fell asleep in the first place. As a person who doesn't take naps as a habit, I need to take efficient naps when I'm tired and need rest.
How to know if (or when) I fall asleep, and…
Graviton
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