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Kurzgesagt – In a Nutshell
Smoking is Awesome
Smoking is Awesome
Kurzgesagt – In a Nutshell
·
11:45 · May 7, 2024
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The
problem
with
smoking
is
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0:00
The problem with smoking is
0:02
that it's kind of amazing – this is an irresponsible thing to say –
0:06
but if we’re going to talk about it we might
0:07
as well do so honestly.
0:09
Smoking creates a temporary problem and offers an instant solution.
0:14
Once your brain is used to nicotine,
0:16
for up to 72 hours you are itchy,
0:18
nervous and stressed – but one drag and instantly, you feel really good.
0:24
But it's way more than just a physical addiction.
0:27
Smoking helps you focus at work and is an excuse to take regular breaks,
0:31
which is good for you mentally.
0:33
It's a tool against boredom, it suppresses your appetite,
0:35
it makes bad moments feel less bad and good moments better.
0:39
It's social, fun together
0:41
and a good way to make friends
0:42
as smokers always group up.
0:44
Your lips are one of the most sensitive parts of your body
0:47
and putting something between them is deeply satisfying.
0:50
So now that we've given smoking an honest introduction,
0:53
let's smoke a cigarette together to see why it makes you feel
0:56
so good and what exactly happens inside your body
0:59
when you do it.
1:01
The Best Worst Thing A cigarette is dried tobacco leaves mixed with chemicals
1:06
that make it burn slowly,
1:08
helping you to absorb nicotine, and flavours that make the smoke less harsh.
1:13
Let’s light it.
1:21
Cigarette smoke is 95% gases like carbon dioxide and water vapour.
1:25
The remaining 5% are particles called tar and they contain the magic sauce:
1:30
carbon or nitrogen compounds filled with nicotine.
1:33
As you inhale, billions of particles interact with everything they pass through,
1:37
getting stuck on your throat, tongue and trachea.
1:41
Your lungs are like big inflatable sponges and have a filter and barrier;
1:45
the cilia cells with hair-like extensions covered by a layer of mucus.
1:49
They trap dust or bacteria to be swept away in a sort of dance.
1:54
Tar particles land in the mucus
1:56
and turn into a sticky brown substance
1:58
that stops the dance
1:59
and paralyses the cilia – allowing them to get deeper into your lungs:
2:03
to the alveoli.
2:03
Alveoli are little air sacs and here is where your actual breathing happens.
2:09
They have very thin walls,
2:10
so that the oxygen can transfer to your blood and carbon dioxide can leave.
2:15
Now the magic is released.
2:17
Nicotine passes through the thin walls and enters your bloodstream,
2:21
reaching your brain so fast that it feels instant.
2:24
The positive effect arrives right away.
2:27
If your brain had a control board,
2:29
smoking would be like pressing all the buttons at once,
2:32
releasing loads of transmitters and hormones that affect your whole body.
2:36
Epinephrine and cortisol make your heart beat faster and your body ready for action.
2:41
Dopamine makes you feel happy and relaxed and reduces your appetite.
2:46
Beta-endorphins reduce pain and stress.
2:49
Nicotine excites and calmes you at the same time.
2:52
You become more alert and able to focus.
2:55
Your nerves become more sensitive to pleasant sensations, then your whole body relaxes.
3:00
Together all of these effects just feel great.
3:04
But your brain immediately tries to return to normal
3:06
and pushes back against the effects of nicotine.
3:09
Which is fine as long as you have nicotine inside your blood.
3:12
But once its effects wear off, your body is left overcompensating,
3:16
creating a massive imbalance within itself.
3:19
The more you smoke, the harder your body tries to push back,
3:22
which is why nicotine is so addictive: You stop feeling like yourself without it.
3:27
It's still great, but now you also need it just to feel normal.
3:31
If that was all smoking did, well that would be kind of ok.
3:40
Nicotine comes with thousands of different chemical buddies.
3:43
Cadmium, lead, arsenic and cyanide,
3:46
hydrogen peroxide or nitrogen oxides cause damage wherever they end up.
3:50
Carbon monoxide reduces how much oxygen your blood can carry.
3:55
In your lungs your cilia cells struggle.
3:58
It's hard to push mucus clogged up with tar
4:00
and some of your cilia cells die.
4:03
Your alveoli are super sensitive and can’t handle this sort of stress.
4:07
A few of your tiny air sacs pop like balloons, causing irreparable damage.
4:11
Your body needs to get rid of all of this tar immediately!
4:15
Goblet cells pump out extra mucus to compensate, which makes breathing harder,
4:19
so you start coughing to get the tar and mucus out.
4:22
Your immune system activates and macrophages begin eating up tar particles.
4:27
Smokers have way more of these clean up cells here
4:29
because their lungs are literally full of dirt.
4:32
But the nicotine makes the macrophages sluggish and inefficient.
4:36
Worse, they vomit chemicals
4:37
that dissolve your lung tissue
4:39
and cause tiny wounds
4:40
that turn into scar tissue.
4:42
Scars in your lungs are bad if you like breathing.
4:49
Nicotine raises your heart rate
4:50
while ordering blood vessels all over your body to constrict.
4:54
Meanwhile toxic chemicals get stuck,
4:57
causing countless tiny wounds all over your body that will turn into scars.
5:02
Those scars leak proteins
5:03
that create random blood clots making your blood vessels even narrower.
5:08
Constricted and narrow vessels put a lot of stress on your heart muscle
5:12
that has to work much harder to keep blood flowing.
5:18
Inside your skin, the chemicals trigger enzymes that break down collagen,
5:22
the protein that makes your skin elastic and smooth.
5:25
This creates folds and wrinkles.
5:27
Your skin ages much quicker and you look older sooner.
5:31
But maybe the worst thing is what happens to your immune system:
5:34
All over your body it reacts to tiny wounds and activates,
5:37
fighting an invisible enemy, damaging healthy cells in the process.
5:42
While at the same time the nicotine makes it slow and sluggish.
5:45
Worse at fighting actual diseases.
5:48
We could go on like this, but this is getting old.
5:51
In a nutshell every single one of your organs is highly stressed
5:55
and suffers some kind of permanent damage.
5:58
Over time fats get stuck in the scars inside blood vessels,
6:01
which get narrower and narrower, until they start to suffocate your organs.
6:05
Your overworked heart beats even harder to push blood through the extra resistance
6:09
and your blood pressure rises.
6:11
So hard that fluids seep out of blood vessels into your lungs,
6:14
which makes breathing even harder.
6:17
The likelihood of a blood clot blocking a critical passage in the body rises
6:20
enormously,
6:21
which can eventually cause a heart attack or a stroke.
6:24
Almost all smokers eventually get Chronic Obstructive Pulmonary Disease –
6:29
so many of your alveoli are irreversibly destroyed
6:32
that you are always short of breath,
6:34
never able to breathe freely.
6:35
Once you have it, it can only get worse, never better again.
6:40
Finally there is cancer.
6:42
You get a sort of double whammy.
6:44
On the one hand you flood your whole system
6:46
and especially your lungs with at least 70 highly cancer-causing chemicals.
6:51
And on the other hand you paralyse the part of your immune system
6:54
that kills and prevents cancer.
6:56
This is why cancer is so likely in smokers.
6:59
Ultimately, smoking is uniquely dangerous among the things you are legally allowed to do.
7:05
The average smoker loses 10 years of life.
7:08
Which means that some lose like 5 years and others more like 25.
7:12
You don’t know which one will be you.
7:14
But it cuts into your health span even more – making a much larger
7:18
part of your life spent being chronically sick.
7:22
Ooooof So why don’t smokers not just like, stop doing it?
7:27
Smokers are often seen as unhinged or without discipline which is unfair.
7:32
Nicotine is one of the most physically and psychologically addictive substances known to humanity.
7:38
If you ever start using it,
7:39
you'll likely struggle with it for the rest of your life.
7:42
The physical addiction lasts around 3 days –
7:45
but the psychological addiction is much harder to overcome,
7:48
because you form strong habits and it's connected to many social cues,
7:51
like hanging out with friends or winding down from work.
7:55
The perverse thing is
7:56
that almost everybody who starts smoking starts smoking
7:59
as a teenager.
8:00
The tobacco industry has to target vulnerable brains
8:03
and get them hooked on the pleasurable effects of nicotine
8:05
or it would go away.
8:07
Today about a billion people will light a cigarette,
8:10
which is a lot but at least the trends are looking good.
8:13
In 2000 34% of adults were smoking, in 2020 it was only 23%.
8:20
Still, in 2023 about 8 million people died from it.
8:25
But it’s not all doom and gloom.
8:27
There are many successful strategies for quitting,
8:29
we’ve put links to some in the video description.
8:32
People who stop smoking by the age of 35 on average don’t die earlier
8:35
than non-smokers.
8:37
If you are older than that,
8:38
even quitting late can add years to your life!
8:41
It's a bit like with climate change – every bit counts even
8:45
if damage has already been done.
8:47
We're not the morality or health police.
8:49
You do you –
8:50
but at least be aware what exactly you are doing
8:53
and why you are doing it – most of you watching this don’t smoke,
8:56
so, well, just maybe never try it.
8:59
Smoking only really solves a temporary problem – but it creates loads of permanent ones.
9:07
Good thing I never started –
9:09
but it’s not like I never do things I know I shouldn’t.
9:12
Like using sketchy free WiFis
9:14
or downloading files without double-checking the source – cough cough.
9:20
We tried out NordVPN to relieve some of our existential dread.
9:24
Go to NordVPN.com/Kurzgesagt to make sure malicious websites are blocked,
9:30
webtrackers stopped and pesky ads are hidden.
9:33
NordVPN’s Threat Protection scan files during downloads
9:38
and remove malware and trackers automatically -
9:40
and they warn you of any apps
9:42
that seem risky – I am looking at you there!
9:45
On top, NordVPN offers many more features:
9:49
Summer is travel season
9:50
and NordVPN encrypts your connection
9:52
when you connect to unknown WiFi stations in hotels,
9:55
airports or cafés.
9:57
You can choose from over 6000 fast servers in 111 countries around the world.
10:03
So you can also access your home content from abroad.
10:06
You can also book flights,
10:07
hotels or rental cars more cheaply thanks to the price difference in different countries
10:12
- regardless of whether you are surfing with a computer,
10:14
tablet or smartphone.
10:16
NordVPN is compatible with all major platforms
10:19
and can be used on 10 devices simultaneously.
10:23
If you want to discover all the services NordVPN offers go to NordVPN.com/Kurzgesagt to
10:29
get 4 months extra on a 2-year plan.
10:32
All risk-free with NordVPN's 30-day money-back guarantee.
10:37
Habits can influence your life in a major way.
10:40
They are basically hard-wired shortcuts your brain uses to save energy
10:44
and make decisions faster.
10:46
So why not use this shortcut-method to influence your life in a positive way?
10:52
We created this Habit Journal to help you do exactly that.
10:56
It contains scientific explanations,
10:58
tutorials and colorful illustrations to help you build the habits you want in your
11:02
life.
11:03
To be honest, we created it
11:05
as much for ourselves
11:06
as we did for you.
11:08
We use it in our lives to help us implement habits like working out
11:11
regularly,
11:12
eating healthy, learning a language,
11:14
reading more or simply actually doing our hobbies instead of browsing reddit.
11:20
And we also included a few tips on how to reroute habits you want
11:23
to get rid of – like smoking.
11:25
Get it now from our shop,
11:27
improve your life in a science-backed way
11:29
and support everything we do on this channel.
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