Why do grapefruits and grapefruit juice interact so much with so many types of medications? | AskScience Blog

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Why do grapefruits and grapefruit juice interact so much with so many types of medications?

Why do grapefruits and grapefruit juice interact so much with so many types of medications?


Why do grapefruits and grapefruit juice interact so much with so many types of medications?

Posted: 04 Mar 2018 09:40 PM PST

Does the energy produced by a solar panel during its lifespan exceed that required for its production?

Posted: 05 Mar 2018 02:16 AM PST

Why are snowflakes flat? Why not something with more depth?

Posted: 05 Mar 2018 05:35 AM PST

Do EMPs affect electrical signals in the brain?

Posted: 04 Mar 2018 05:42 PM PST

What is the Van der Waal Force?

Posted: 05 Mar 2018 07:18 AM PST

I've been reading some stuff about it but the definitions are so convoluted and not in lay men's terms. I can't understand what it is.

submitted by /u/ThePioneer99
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If the First Law of Thermodynamics is unbreakable, then how can the Universe be?

Posted: 05 Mar 2018 06:17 AM PST

So we know that we have The Universe where "energy can be transformed from one form to another, but can be neither created nor destroyed", but at the same time there was a time where the Universe was not the Universe, be it pre-Big Bang or earlier. So how can we have a situation where the energy of the Universe is made manifest, if energy can be neither created or destroyed.

Or am I missing something and the First Law of Thermodynamics is breakable?

submitted by /u/mahaanus
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Why can't any computer run any program?

Posted: 04 Mar 2018 03:30 PM PST

Why couldnt't a cell phone for example run windows, just slower because of less memory and other stats to the computer? Or what is it that prevents this from being possible?

submitted by /u/Shupsta
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Marijuana has ~113 known cannabinoids, but our bodies have only two known cannabanoid receptors. What is the function of our cannabinoid receptors, and how do they react with cannabinoids in Marijuana to produce Marijuana's effects?

Posted: 04 Mar 2018 10:00 PM PST

Why does silicon-based lubricant degrade silicon?

Posted: 04 Mar 2018 09:35 PM PST

Yes, I'm asking a question about sex toys.

submitted by /u/_JosiahBartlet
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Why do the angles in a triangle add to 180 degrees, but if you walk the lines of a triangle you would turn 360 degrees?

Posted: 04 Mar 2018 01:19 PM PST

Can artificial light power solar panels?

Posted: 04 Mar 2018 06:22 PM PST

Is the energy of annihilation in neutrinoless double beta decay passed to the emitting electrons?

Posted: 05 Mar 2018 06:06 AM PST

I have a question about majorana fermion annihilation process. MOre specifically, neutrinoless double beta decay. This interaction produces only the two β electrons, which carry the whole reaction energy Qββ. Does this mean that both neutrinos (which are their own antiparticle) annihilate and pass the energy of this process to emitting electrons? Or how is this process happening?

submitted by /u/Veve_cg
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What happens to visual processing when we blink?

Posted: 04 Mar 2018 05:36 PM PST

More specifically, does the actual act of closing our eyes have any effects on the way vision is processed other than just blocking light from our eyes?

submitted by /u/SteelBeams4JetFuel
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Why are M Dwarf stars so volatile?

Posted: 05 Mar 2018 05:22 AM PST

Apparently, Proxima Centauri roasted Proxima b last year in a giant solar flare. Why are these smaller stars so variable, if that's the word? Aren't they cooler? My mind hurts.

submitted by /u/Raskov75
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What is the absolute magnitude of an average star?

Posted: 05 Mar 2018 05:07 AM PST

As the title states, what is the absolute magnitude of an average star? I'm trying to estimate the number of stars in a galaxy from a photo I've taken.

submitted by /u/NoobLord98
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What happens to the electrons in the positive plate of capacitor?

Posted: 05 Mar 2018 12:23 AM PST

So battery and a capacitor are connected.

The electrons are attracted to the positive terminal and will flow from the minues terminal to the capacitor plate. This negative charge of the plate will push electrons away from the other plate, making the second plate positively charged.

What happened to the electrons in the positive plate? I assume those electrons get pushed back into the positive terminal.

Doesn't this now mean the voltage between the battery terminals is less now? Because the positive terminal gained electrons. So then the attraction force pulling electrons is lower than original, right? So the voltage of the battery has dropped. Shouldn't this mean the voltage of when the capacitor and battery are equal is a lower voltage than the battery? Because if we say the capacitor will charge to the original battery voltage, doesn't this imply that even though the positive terminal gained electrons, the battery voltage has remained the same? Kind of weird to think about, if you imagine a +2 charge and two electrons separated. Say one electron goes to the +2 particle, so what's left is +1 particle and 1 electron. Now the force and hence voltage between the electron and positive particle is less because the other electron neutralized one positive charge.

So what I'm saying is:

Yes, I agree the battery and capacitor voltages will eventually be equal.

But the voltage at which this happens is lower than the original battery voltage.

Am I right? Is saying the capacitor will reach the original battery voltage just a simplification?

submitted by /u/yosimba2000
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Do animals shed their winter coats at the same time every year? Or does it depend on whether it's actually getting warmer outside?

Posted: 04 Mar 2018 05:35 PM PST

It's still pretty cold outside, but my cat is shedding. This lead to me think about whether it needs to be getting warm outside for animals to start shedding their winter coats, or if it just happens at the same time every year no matter the weather.

submitted by /u/justupvotes
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How does antimatter-catalyzed nuclear pulse propulsion work?

Posted: 04 Mar 2018 09:56 PM PST

Believe it is also called "spiked fusion," but that may be something else (could someone maybe confirm?). Additional questions:

What is the composition of the "fuel pellets" used in this technique?

How would one make these fuel pellets?

Are these fuel pellets Is this from of propulsion more efficient than modern rocket thrusters? If so by what magnitude?

submitted by /u/HaythamJubilee
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Which has a higher density of asteroids, the asteroid belt or the Jupiter Trojans?

Posted: 04 Mar 2018 07:52 PM PST

When someone receives a blood transfusion or an organ transplant, what happens to the donor's DNA?

Posted: 04 Mar 2018 01:53 PM PST

Does it get changed to the receiver's DNA somehow? Does it affect/change the receiver's DNA? How does it work?

submitted by /u/gottagetstabbed
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How do light sensors (Ir thermometers, laser range finders) detect the exact wavelength of light from the source while ignoring all other light sources?

Posted: 04 Mar 2018 07:27 PM PST

Any modern day locations have thousands of light sources. How can a sensor filter out everything else to detect that one single wavelength?

submitted by /u/striker7770
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Does dairy have the same environmental impact as beef?

Posted: 04 Mar 2018 08:21 PM PST

This answer, at first seems clear, but I'm not sure how simple it is. Everyone knows and expresses how bad beef is, but they never say much about dairy. Is it better? Worse? In terms of land usage, greenhouse gases, used water?

submitted by /u/fortkevin10
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