Is there a clear definition of clear "highly processed food"? |
- Is there a clear definition of clear "highly processed food"?
- How long does it take for the body to replenish blood that is lost? And why does it take that long?
- If susceptibility testing is already difficult and sometimes highly specific for patients who aren’t immunocompromised, how do doctors select antibiotics and antimicrobials for burn victims and patients who have a severely compromised immune system?
- What was the difference between splitting the atom and nuclear fission?
- Quantum Numbers. Why does it have shells and subshells? should'nt it only have orbitals?
- How does vasoconstriction increase cardiac preload?
- Does higher octane fuel constitute better gas mileage? If so, is it worth the extra price?
- When watching a lightning strike in ultra-slow motion, and you see an invisible wave with bits of electricity along the edge hit the ground and turn into a bolt, is that a waveform collapse?
- Where do the dead cells in your body go?
- Will the alcohol evaporate faster or slower?
| Is there a clear definition of clear "highly processed food"? Posted: 14 Nov 2021 06:52 AM PST I've read multiple studies posted in /r/science about how a diet rich in "highly processed foods" might induce this or that pahology. Yet, it's not clear to me what a highly processed food is anyway. I've read the ingredients of some specific packaged snacks made by very big companies and they've got inside just egg, sugar, oil, milk, flours and chocolate. Can it be worse than a dessert made from an artisan with a higher percentage of fats and sugars? When studies are made on the impact of highly processed foods on the diet, how are they defined? [link] [comments] |
| How long does it take for the body to replenish blood that is lost? And why does it take that long? Posted: 14 Nov 2021 03:55 AM PST I have seen from various websites that for blood to fully replenish it takes 4-6 weeks. What I don't understand is why it takes so long and what variation there is depending on the amount of blood lost I.e. 15% vs 30%? [link] [comments] |
| Posted: 14 Nov 2021 07:07 AM PST Is there a gauntlet of drugs that are used against common skin or nosocomial flora that doctors administer until the skin or immune system can kick back in? For background for anybody reading: We test susceptibility for antibiotics by exposing bacterial cultures to samples of specific antibiotics to see what happens to the bacteria in the plate. When you expose a bacterial colony to an antibiotic it is susceptible to, there will be a reaction that tells us that the doctor can use that antibiotic on a patient to treat an infection. The reason I am asking this question is because I've never worked in the ER or burn unit, only small labs. And I've seen how in Micro it's necessary to run multiple tests just to determine the proper antibiotic for a single infection. But for a system wide entry wound like a massive burn, I imagined it must be grueling to find a proper treatment when bacteria come in from every surface possible. [link] [comments] |
| What was the difference between splitting the atom and nuclear fission? Posted: 14 Nov 2021 01:52 PM PST Possibly a stupid question. Encountered something that said that the atom was first split in 1932. This confused me, because I thought the Nazis had discovered nuclear fission in 1938. Am I missing something here? What specifically was discovered in 1938 -- just that splitting an atom could release a large amount of energy? If so, why was that not apparent when they first split the atom six years earlier? [link] [comments] |
| Quantum Numbers. Why does it have shells and subshells? should'nt it only have orbitals? Posted: 14 Nov 2021 12:46 AM PST I was reading quantum numbers and it is really confusing. My questions are:-
I am linking videos which made me think these stuff as you can see there is nothing regarding Shells and subshell. Then why Principal quantum numbers have K, L, M... shells. and azimuthal Q.N have something regarding sub shell. If you put the idea of shell then how will the quantum mechanical model look? what exactly will be those shells and subshells in Quantum mechanical model of atom. According to me it should only contain Orbitals. The Pdf (pg 55)-https://ncert.nic.in/textbook/pdf/kech102.pdf I hope I am very concise with my doubt but if any mistake is detected in future, I am sorry. I apologies if i made any mistake while Making this post. I tried to get an answer from google but they are not very clear (at least to me) Any helpful reply will be greatly appreciated. [link] [comments] |
| How does vasoconstriction increase cardiac preload? Posted: 14 Nov 2021 07:06 AM PST I understand that venoconstriction increases cardiac preload by increasing venous return. However, how does vasoconstriction accomplish this? I just do not understand. If the arteries are constricted, this will increase your body's total peripheral resistance, which will then increase your mean arterial pressure. Your body's baroreceptors will then sense this increase in mean arterial pressure and attempt to compensate for this increase in pressure by decreasing venous return, preload, stroke volume, and CO. Why is it that vasoconstriction actually increases cardiac preload? Thanks for your help! [link] [comments] |
| Does higher octane fuel constitute better gas mileage? If so, is it worth the extra price? Posted: 14 Nov 2021 01:22 PM PST Does higher octane fuel (plus, super, etc.) give my car better gas mileage than just the regular octane 87 unleaded fuel at the lowest price at any gas station? I was always told that the higher octane fuel is typically better for your car's engine, and I understand many cars advise in the manuals to use higher octane fuel, but for a car where it does not matter, does it give your car better gas mileage? Have any of you personally done a comparison? [link] [comments] |
| Posted: 13 Nov 2021 07:26 PM PST I was watching The Slowmo Guys film a lightning strike at 103,000 FPS, and I noticed how the electricity crawls out of the cloud in all directions before coming together into one huge bolt. This brought back the same weird pictures that went through my head when I heard about the double slit experiment. Is this the same kind of interaction? Does electricity travel in a wave, then collapse instantly when it interacts with something? [link] [comments] |
| Where do the dead cells in your body go? Posted: 13 Nov 2021 06:27 PM PST |
| Will the alcohol evaporate faster or slower? Posted: 14 Nov 2021 12:22 AM PST I'm trying to saturate vodka 35,7% with sugar and then neutralize this extreme sugar taste with citric acid to make a disguised alcohol taste and make a placebo component for an experiment of my article. Will this saturation/rest process make the substance lose a lot of alcohol concentration? I know that the union of alcohol with water already reduces the rate of evaporation. But how does this happen only with sugar? And the citric acid? If the alcohol concentration of the substance decreases too much, the results of the experiment will be compromised, that's why I came here to ask about it. [link] [comments] |
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