How Does Caffeine Work as a Stimulant?

How does caffeine work as a stimulant? Caffeine is a naturally occurring substance found in plants and food substances—both organic and processed. It’s also a stimulant that works by blocking adenosine inside your cells. In this video I show you how this works.

The following questions are answered in this video (go straight to the time stamp):
How does caffeine work in the brain? (0: 33)
How does caffeine help headaches? (1: 31)
How does caffeine hurt your sleep? (1: 56)
What is heavy caffeine consumption? (2: 25)
What is the caffeine content in certain foods? (3: 08)
What are the negative effects of caffeine? (5: 30)
When should you drink your last cup of coffee? (7: 06)

Here’s a more detailed explanation.
Adenosine is produced in the cells of the brain and other organs. And it’s a chemical involved in inducing or bringing on sleep by slowing the activity of the cell.

Caffeine is similar in structure to the adenosine molecule so when you drink coffee and digest it, the caffeine in the coffee travels to you brain and binds to the cells and blocks the adenosine from binding. Without the adenosine to slow things down, your adrenal glands get the signal to release the flight or fight hormone, epinephrine.

Epinephrine –also known as adrenaline then acts to increase alertness, increase your heart rate and constrict blood vessels.

So this is the high you get from caffeine – from the boost of adrenaline. Also as an aside, the constriction of blood vessels that follow caffeine consumption is the basis for caffeine being a part of headache medicines. It constricts the blood vessels in the brain (through the epinephrine release), which gives the tissues more space and relieves some of the tension producing the headache.

Caffeine affects your sleep in a couple of different ways.

First, it extends your sleep latency, which is the period of time it takes to fall asleep. It also shortens the total amount that you sleep. The older you are, the more sensitive you are to these effects.

Similar to alcohol, caffeine has a diuretic effect, which causes the body to lose water.

How much caffeine does it take to affect your sleep? Depending on the amount of time between consumption and going to sleep – I would say anything from 200mg of caffeine or more can create that delayed sleep effect.

A moderate doses of caffeine would be anything between 200 and 300mg per day.
Heavy caffeine consumption would be considered anything from 500mg per day or more.

Well what does that mean exactly? Here is an example: 6: 40

Imported coffees and teas can also carry higher caffeine concentration.
And also, the brewing method used will also affect the caffeine content.

Once you consume the caffeine, it is digested through the stomach and small intestine and enters the bloodstream within thirty minutes to an hour. This relatively rapid response time is one of the reasons a cup of coffee is so popular as a morning crutch.

So what about the half life?
The half-life is the amount of time it takes for something to decrease to half its original quantity.
The half-life of caffeine varies among different studies, but it is generally believed to be between 3 1/2 to 6 hours.
It can take longer in some people with certain medical disorders or under the influence of certain medications.
For example, birth control pills can inhibit or slow the half life of caffeine, making it so that it takes five to ten hours for the amount of caffeine in the bloodstream to decrease by half. Pregnancy and liver disease also significantly extend the half-life of caffeine.

Here is a practical example:

Suppose you were to drink a tall Starbucks coffee at 9: 00am. That size has 230mg of caffeine. If we assume the caffeine carried a half-life of five hours, you would have approximately 130mg of caffeine in your system at 2: 00pm that afternoon from that single cup alone.

Now this is an approximation, but because of the variability in how we metabolize caffeine, some experts recommend not consuming any caffeine after noon. I’m in that camp. I usually recommend to people that your last drink of coffee happen before noon.

Stay tuned for the next video mentioned in the video – the affects of aging on sleep.

Visit my channel for more videos: s

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What is Caffeine's Role as a Stimulant and How does it Work?

How does caffeine work as a stimulant? Caffeine, a naturally occurring chemical found in plants and food products–both processed and organic–is a stimulant. Caffeine is also a stimulant. It works by blocking the adenosine in your cells. This video will show you how it works.

These questions will be answered in this video (go straight for the time stamp).
What does caffeine do in the brain? (0: 33)
What does caffeine do to help with headaches? (1: 31)
How does caffeine hurt your sleep? (1: 56)
What is heavy caffeine intake? (2: 25)
What is the caffeine content of certain foods? (3: 08)
What are the side effects of caffeine? (5: 30)
When is the best time to stop drinking coffee? (7: 06)

For a more thorough explanation, see the following.
Adenosine can be found in cells of the brain, and other organs. It is a chemical that induces or brings on sleep by slowing down the activity of cells.

Caffeine has a similar structure to the Adenosine molecule. When you drink coffee, the caffeine travels to your brain to bind to the cells. Your adrenal glands will not be able to send the signal for epinephrine to activate the fight or flight hormone if there is no adenosine.

Epinephrine, also known as adrenaline, acts to increase alertness and heart rate. It constricts blood vessels.

This is what caffeine gives you – the adrenaline rush. Caffeine is often used in headache medicine because of the constriction to blood vessels caused by caffeine intake. The brain constricts blood vessels through the release of epinephrine, which allows the tissues to have more space and alleviates some of the tension that causes headaches.

Caffeine can affect your sleep in several ways.

It increases your sleep latency (the time it takes for you to fall asleep). It also reduces your total sleep time. These effects are more noticeable in older people.

Caffeine has a diuretic effect similar to alcohol. This causes the body’s water to evaporate.

What amount of caffeine is necessary to make you sleep better? It all depends on how long it takes to go to sleep.

Moderate caffeine intakes would be between 200 to 300mg daily.
A high intake of caffeine would be 500mg/day or more.

What does this mean? Here is an example: 6: 40

Higher caffeine levels can be found in imported coffees and teas.
The brewing method will also impact the caffeine content.

The caffeine is absorbed through the stomach and small intestinal tract and into the bloodstream in 30 minutes to an hour. This is why a cup of coffee makes a great morning snack.

What about the half-life?
Half-life refers to the time taken for something to reduce to half its original size.
Although the half-life of caffeine is variable between studies, it is generally thought to last from 3 1/2 to 6 hours.
Some people may experience longer recovery times if they have certain medical conditions or are taking certain medications.
Birth control pills, for example, can slow down or inhibit the half-life of caffeine. This means that it can take five to ten to half an hour for the caffeine level in the bloodstream, before it starts to drop by half. The half-life of caffeine is also affected by liver disease and pregnancy.

Here’s an example:

Suppose you were to drink a tall Starbucks coffee at 9: 00am. This size contains 230mg caffeine. If we assume the caffeine carried a half-life of five hours, you would have approximately 130mg of caffeine in your system at 2: 00pm that afternoon from that single cup alone.

This is just an approximate guideline, but experts advise against consuming caffeine after noon due to the variability in how our bodies metabolize caffeine. That’s me. People should have their last cup of coffee before noon.

Keep watching for the next video in this video: The effects of ageing on sleep.

For more videos, visit my YouTube channel: s

Get notified of my latest videos by signing up:
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How Does Caffeine Work as a Stimulant?

How does caffeine work as a stimulant? Caffeine is a naturally occurring substance found in plants and food substances—both organic and processed. It’s also a stimulant that works by blocking adenosine inside your cells. In this video I show you how this works.

The following questions are answered in this video (go straight to the time stamp):
How does caffeine work in the brain? (0: 33)
How does caffeine help headaches? (1: 31)
How does caffeine hurt your sleep? (1: 56)
What is heavy caffeine consumption? (2: 25)
What is the caffeine content in certain foods? (3: 08)
What are the negative effects of caffeine? (5: 30)
When should you drink your last cup of coffee? (7: 06)

Here’s a more detailed explanation.
Adenosine is produced in the cells of the brain and other organs. And it’s a chemical involved in inducing or bringing on sleep by slowing the activity of the cell.

Caffeine is similar in structure to the adenosine molecule so when you drink coffee and digest it, the caffeine in the coffee travels to you brain and binds to the cells and blocks the adenosine from binding. Without the adenosine to slow things down, your adrenal glands get the signal to release the flight or fight hormone, epinephrine.

Epinephrine –also known as adrenaline then acts to increase alertness, increase your heart rate and constrict blood vessels.

So this is the high you get from caffeine – from the boost of adrenaline. Also as an aside, the constriction of blood vessels that follow caffeine consumption is the basis for caffeine being a part of headache medicines. It constricts the blood vessels in the brain (through the epinephrine release), which gives the tissues more space and relieves some of the tension producing the headache.

Caffeine affects your sleep in a couple of different ways.

First, it extends your sleep latency, which is the period of time it takes to fall asleep. It also shortens the total amount that you sleep. The older you are, the more sensitive you are to these effects.

Similar to alcohol, caffeine has a diuretic effect, which causes the body to lose water.

How much caffeine does it take to affect your sleep? Depending on the amount of time between consumption and going to sleep – I would say anything from 200mg of caffeine or more can create that delayed sleep effect.

A moderate doses of caffeine would be anything between 200 and 300mg per day.
Heavy caffeine consumption would be considered anything from 500mg per day or more.

Well what does that mean exactly? Here is an example: 6: 40

Imported coffees and teas can also carry higher caffeine concentration.
And also, the brewing method used will also affect the caffeine content.

Once you consume the caffeine, it is digested through the stomach and small intestine and enters the bloodstream within thirty minutes to an hour. This relatively rapid response time is one of the reasons a cup of coffee is so popular as a morning crutch.

So what about the half life?
The half-life is the amount of time it takes for something to decrease to half its original quantity.
The half-life of caffeine varies among different studies, but it is generally believed to be between 3 1/2 to 6 hours.
It can take longer in some people with certain medical disorders or under the influence of certain medications.
For example, birth control pills can inhibit or slow the half life of caffeine, making it so that it takes five to ten hours for the amount of caffeine in the bloodstream to decrease by half. Pregnancy and liver disease also significantly extend the half-life of caffeine.

Here is a practical example:

Suppose you were to drink a tall Starbucks coffee at 9: 00am. That size has 230mg of caffeine. If we assume the caffeine carried a half-life of five hours, you would have approximately 130mg of caffeine in your system at 2: 00pm that afternoon from that single cup alone.

Now this is an approximation, but because of the variability in how we metabolize caffeine, some experts recommend not consuming any caffeine after noon. I’m in that camp. I usually recommend to people that your last drink of coffee happen before noon.

Stay tuned for the next video mentioned in the video – the affects of aging on sleep.

Visit my channel for more videos: s

Subscribe to get notified about my latest videos:
3

https://assistedlivingseniorcare.org/how-does-caffeine-work-as-a-stimulant/

What is Caffeine's Role as a Stimulant and How does it Work?

How does caffeine work as a stimulant? Caffeine, a naturally occurring chemical found in plants and food products–both processed and organic–is a stimulant. Caffeine is also a stimulant. It works by blocking the adenosine in your cells. This video will show you how it works.

These questions will be answered in this video (go straight for the time stamp).
What does caffeine do in the brain? (0: 33)
What does caffeine do to help with headaches? (1: 31)
How does caffeine hurt your sleep? (1: 56)
What is heavy caffeine intake? (2: 25)
What is the caffeine content of certain foods? (3: 08)
What are the side effects of caffeine? (5: 30)
When is the best time to stop drinking coffee? (7: 06)

For a more thorough explanation, see the following.
Adenosine can be found in cells of the brain, and other organs. It is a chemical that induces or brings on sleep by slowing down the cell’s activity.

Caffeine has a similar structure to the Adenosine molecule. When you drink coffee, the caffeine travels to your brain to bind to the cells. Your adrenal glands will not be able to send the signal for epinephrine to activate the fight or flight hormone if there is no adenosine.

Epinephrine, also known as adrenaline, acts to increase alertness and heart rate. It constricts blood vessels.

This is what caffeine gives you – the adrenaline rush. Caffeine is often used in headache medicine because of the constriction to blood vessels caused by caffeine intake. The brain constricts blood vessels through the release of epinephrine, which allows the tissues to have more space and alleviates some of the tension that causes headaches.

Caffeine can affect your sleep in several ways.

It increases your sleep latency (the time it takes for you to fall asleep). It also reduces your total sleep time. These effects are more noticeable in older people.

Caffeine has a diuretic effect similar to alcohol. This causes the body’s water to evaporate.

What amount of caffeine is necessary to make you sleep better? It all depends on how long it takes to go to sleep.

Moderate caffeine intakes would be between 200 to 300mg daily.
Heavy caffeine intake would be 500mg/day or more.

What does this mean? Here is an example: 6: 40

Higher caffeine levels can be found in imported coffees and teas.
The brewing method will also impact the caffeine content.

The caffeine is absorbed through the stomach and small intestinal tract and into the bloodstream in 30 minutes to an hour. This is why a cup of coffee makes a great morning snack.

What about the half-life?
Half-life refers to the time taken for something to reduce to half its original size.
Although the half-life of caffeine is variable between studies, it is generally thought to last from 3 1/2 to 6 hours.
Some people may experience longer recovery times if they have certain medical conditions or are taking certain medications.
Birth control pills, for example, can slow down or inhibit the half-life of caffeine. This means that it takes between five and ten hours for caffeine levels to drop by half. The half-life of caffeine is also affected by liver disease and pregnancy.

Here’s an example:

Suppose you were to drink a tall Starbucks coffee at 9: 00am. This size contains 230mg caffeine. If we assume the caffeine carried a half-life of five hours, you would have approximately 130mg of caffeine in your system at 2: 00pm that afternoon from that single cup alone.

This is only an approximate guideline, however, experts advise against consuming caffeine after noon due to the variability in how our bodies metabolize caffeine. That’s me. People should have their last cup of coffee before noon.

Keep watching for the next video in this video: The effects of ageing on sleep.

For more videos, visit my YouTube channel: s

Get notified of my latest videos by signing up:
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What is Caffeine's Role as a Stimulant and How does it Work?

How does caffeine work as a stimulant? Caffeine, a naturally occurring chemical found in plants and food products–both processed and organic–is a stimulant. Caffeine is also a stimulant. It works by blocking the adenosine in your cells. This video will show you how it works.

These questions will be answered in this video (go straight for the time stamp).
What does caffeine do in the brain? (0: 33)
What does caffeine do to help with headaches? (1: 31)
How does caffeine hurt your sleep? (1: 56)
What is heavy caffeine intake? (2: 25)
What is the caffeine content of certain foods? (3: 08)
What are the side effects of caffeine? (5: 30)
When is the best time to stop drinking coffee? (7: 06)

For a more thorough explanation, see the following.
Adenosine can be found in cells of the brain, and other organs. It is a chemical that induces or brings on sleep by slowing down the activity of cells.

Caffeine has a similar structure to the Adenosine molecule. When you drink coffee, the caffeine travels to your brain to bind to the cells. Your adrenal glands will not be able to send the signal for epinephrine to activate the fight or flight hormone if there is no adenosine.

Epinephrine, also known as adrenaline, acts to increase alertness and heart rate. It constricts blood vessels.

This is what caffeine gives you – the adrenaline rush. Caffeine is often used in headache medicine because of the constriction to blood vessels caused by caffeine intake. The brain constricts blood vessels through the release of epinephrine, which allows the tissues to have more space and alleviates some of the tension that causes headaches.

Caffeine can affect your sleep in several ways.

It increases your sleep latency (the time it takes for you to fall asleep). It also reduces your total sleep time. These effects are more noticeable in older people.

Caffeine has a diuretic effect similar to alcohol. This causes the body’s water to evaporate.

What amount of caffeine is necessary to make you sleep better? It all depends on how long it takes to go to sleep.

Moderate caffeine intakes would be between 200 to 300mg daily.
Heavy caffeine intake would be 500mg/day or more.

What does this mean? Here is an example: 6: 40

Higher caffeine levels can be found in imported coffees and teas.
The brewing method will also impact the caffeine content.

The caffeine is absorbed through the stomach and small intestinal tract and into the bloodstream in 30 minutes to an hour. This is why a cup of coffee makes a great morning snack.

What about the half-life?
Half-life refers to the time taken for something to reduce to half its original size.
Although the half-life of caffeine is variable between studies, it is generally thought to last from 3 1/2 to 6 hours.
Some people may experience longer recovery times if they have certain medical conditions or are taking certain medications.
Birth control pills, for example, can slow down or inhibit the half-life of caffeine. This means that it can take five to ten to half an hour for the caffeine level in the bloodstream, before it starts to drop by half. The half-life of caffeine is also affected by liver disease and pregnancy.

Here’s an example:

Suppose you were to drink a tall Starbucks coffee at 9: 00am. This size contains 230mg caffeine. If we assume the caffeine carried a half-life of five hours, you would have approximately 130mg of caffeine in your system at 2: 00pm that afternoon from that single cup alone.

This is an approximate estimate, but experts advise against consuming caffeine after noon because of the variability in how our bodies metabolize caffeine. That’s me. People should have their last cup of coffee before noon.

Keep watching for the next video in this video: The effects of ageing on sleep.

For more videos, visit my YouTube channel: s

Get notified of my latest videos by signing up:
3

https://adhdadulttreatment.com/what-is-caffeines-role-as-a-stimulant-and-how-does-it-work/