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Kurzgesagt – In a Nutshell
We Have To Talk About Weed
We Have To Talk About Weed
Kurzgesagt – In a Nutshell
·
14:41 · Nov 12, 2024
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Cannabis
has
been
vilified
to
a
ridiculous
degree
for
the
last
century,
Translating…
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1
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0:02
Cannabis has been vilified to a ridiculous degree for the last century,
0:06
but it's now finally being decriminalised in more
0:09
and more places around the world – it’s just recently been legalized in Germany.
0:13
And for very good reasons!
0:15
Compared to legal drugs like alcohol –
0:18
which will cause one in twenty deaths just this year,
0:21
cannabis is pretty mild.
0:23
So to justify harsh prosecution and punishment, its negative effects have been wildly overstated.
0:29
Naturally there was a lot of pushback and here something went wrong.
0:33
If you’ve followed the discourse over the last few years,
0:36
you might have got the impression that weed has almost only upsides and few,
0:40
if any, negative side effects.
0:43
We ourselves contributed to that narrative.
0:46
What made this worse is
0:47
that criminalization made it very hard for scientists to study cannabis,
0:51
especially its long term effects.
0:53
They faced bureaucratic and legal hurdles
0:55
and studies often had to rely on small sample sizes.
0:59
In the last few years this finally started to change,
1:02
so it is time to bring new evidence to the discussion.
1:05
And well, it's not pretty.
1:08
While weed is still much less harmful than alcohol,
1:11
it does have a dark side.
1:14
It is more addictive than we thought
1:16
and can have significant negative effects
1:18
if you use it long term.
1:21
It seems that…ehm, what are you doing?
1:25
Before you tell us how dumb we are, please watch the video.
1:28
To be crystal clear,
1:29
we think prohibition doesn’t work and Cannabis should be legal.
1:33
But this also means that we need to treat it as what it is:
1:36
A drug.
1:37
With unique upsides and downsides.
1:40
So let’s take an honest look at some of the latest research together.
1:46
Weed is getting stronger and stronger Cannabis’s magic juice is Tetrahydrocannabinol, THC.
1:54
It docks on your cannabinoid receptors, which affects various brain functions.
1:59
THC activates some regions and calms down others, creating a fun cocktail of sensations.
2:06
The more THC, the more intense the high.
2:09
And people seem to be into higher highs,
2:12
or at least this is what the market is providing.
2:15
In the US, Canada
2:16
and in Europe the concentration of THC in legal
2:19
and illegal Cannabis products has more than doubled in the last few decades.
2:23
While ever more potent strains are bred,
2:25
products like edibles or concentrates with more than 60% THC have become increasingly common.
2:32
While the share of products with less than 15% THC has declined.
2:37
Unfortunately just about every problem weed creates gets worse at higher THC doses.
2:43
At the same time more and more people use weed.
2:46
In the US more people consumed cannabis daily than alcohol for the first time
2:50
in 2022.
2:52
In Canada 26% of people 16 and older use it,
2:56
up from 22% in 2018.
2:59
It is not possible to say if legalization is the reason for this though,
3:02
since studies are pretty inconsistent and vary massively between different users.
3:08
In some, consumption went up,
3:10
in others it stayed stable –
3:12
and the trend to use more weed began in the early 90s
3:15
and sped up in the 2000s,
3:17
way earlier than legalization.
3:20
So today more people consume more weed than ever before in the last century
3:25
and it is the strongest it’s ever been.
3:27
What are we seeing as a result of this?
3:30
Let’s start with something
3:31
that used to get you laughed out of the room:
3:34
Addiction.
3:35
Weed Addiction And Withdrawal Symptoms A big narrative about weed is
3:40
that it is not addictive,
3:41
or at least not that big of a deal.
3:43
And for most people this is true.
3:46
Studies clearly show that the majority handle it well – For 8 out of
3:49
10 using weed,
3:50
it is just a casual high and not problematic at all.
3:54
About 2 in 10 users develop a cannabis use disorder, or CUD.
3:59
CUD has 11 different symptoms,
4:01
from the inability to stop when you’ve had enough,
4:03
to using it when you know it will have negative consequences,
4:06
to tolerance and withdrawal.
4:08
They can all basically be reduced to: You are doing it too often,
4:12
even if it's bad for you
4:13
and it is less fun than it could be.
4:16
There are three major risk factors here: The amount of THC,
4:20
how often you consume and your age when you start using cannabis.
4:24
The more THC, the more often and the younger you are when you start,
4:29
the higher your risk.
4:31
If you smoke too much weed, too often,
4:33
it will have negative impacts on your life.
4:37
So if this is you,
4:38
toning it down a bit will make a big difference. 1 in 10 users
4:42
develops a serious addiction.
4:44
They usually consume daily
4:46
and their life is significantly impaired
4:48
or held back –
4:49
because they spend a lot of their time either using
4:51
or recovering from cannabis use.
4:54
Since their brain is building a tolerance they need increasingly high doses
4:58
or stronger weed,
5:00
often both.
5:01
Studies found a variety of negative effects: Heavy users can experience bad moods,
5:06
feel irritable, restless, paranoid, anxious and even depressive.
5:11
In a sad twist of irony,
5:13
for many addicts it feels like they need weed to fight these symptoms –
5:17
maybe it did actually help at first –
5:19
while in reality,
5:20
it makes those symptoms stronger and more persistent.
5:24
Studies also found that loneliness and frequent cannabis use go hand in hand.
5:28
If you feel lonely you are more likely to use weed
5:31
and if you use weed you may experience more loneliness.
5:35
It is not always easy to say which came first,
5:37
but they seem to reinforce each other.
5:40
So, on the one hand, cannabis makes loneliness feel much less bad.
5:44
On the other hand,
5:45
it can also make you feel more socially awkward than you actually are
5:49
and withdraw from friends.
5:51
This can lead to a downward spiral
5:53
that ends in self isolation
5:55
and chronic loneliness.
5:57
Another thing many people who consume a lot experience is a mental numbness
6:01
that makes boredom feel ok
6:03
because it impacts the reward system of your brain.
6:06
Not great, but good enough.
6:08
You can spend your days killing time, bingeing mildly interesting stuff.
6:12
Being numb rather than having fun.
6:15
Boredom is a signal to your mind to get creative or learn something new,
6:20
but this is suppressed.
6:22
This also makes quitting so much harder,
6:24
because your daily routines suddenly seem boring and unexciting,
6:27
making it very tempting to go back.
6:30
If you find yourself using constantly,
6:33
this can also stunt your development as a person.
6:36
The numbness dulls bad feelings, making it easy not to deal with them.
6:40
But in life you can only get over bad feelings
6:42
if you actually feel them
6:44
and you have to process them to grow.
6:46
Lastly, let us talk about physical withdrawal symptoms – the more you consume the
6:51
worse they will be for you,
6:52
especially if you use daily.
6:55
Withdrawal can cause headaches, sweating or chills, decreased appetite, in severe cases even fever,
7:01
nausea and abdominal pain.
7:03
You might have trouble falling asleep and if you do,
7:06
you might have disturbing and vivid dreams.
7:09
The withdrawal can put you in a depressive mood where life feels daft
7:12
and pointless.
7:14
You can feel restless, angry, anxious or nervous.
7:18
You may feel unable to do anything at all.
7:21
After a few days these symptoms will begin to subside
7:24
and after a few weeks they will be gone entirely – the exact time
7:28
depends on how much
7:29
and how long you have been consuming cannabis.
7:32
Now let’s get to the worst part.
7:36
Weed May Damage Your Brain This section was not fun to research
7:41
because there is fierce debate among researchers how bad weed is for your brain,
7:45
and whether it has irreversible long term consequences or not.
7:49
There is no consensus yet and it's hard to say anything definitive.
7:54
Having said that, THC directly interferes with critical brain chemistry.
7:58
There is some evidence that it may alter its structure.
8:02
If it does, this may go away again
8:04
if you quit after a few years.
8:06
Or not.
8:07
We don’t know yet.
8:09
The consequences vary a lot between individuals
8:12
but especially for heavy users they have a variety of potentially unfunny downsides:
8:17
The most common one is that your memory gets significantly worse.
8:22
Sustained heavy use may reduce your ability to learn, your reasoning, perception, attention span,
8:29
decision making, language abilities and impulse control.
8:33
Most negative effects seem to go away
8:35
or at least weaken over time after you quit,
8:38
but again we simply don’t know enough and need more research.
8:42
Where the evidence is much clearer is
8:44
that consuming a lot of weed is really bad for teenagers on multiple levels.
8:50
If you start using heavily, early,
8:52
you have many more years to build up potentially negative side effects.
8:56
Teens who use a lot are much more likely to become addicted to weed.
9:01
This may just be correlation and weed may not be the underlying cause,
9:05
but heavy weed users are more likely to perform poorly in school
9:09
and less likely to finish their education.
9:11
They are on average less satisfied with their life and what they achieved.
9:16
This may simply be because if your memory and motivation are stunted,
9:19
you have fewer interesting experiences and forget the ones you do have.
9:24
And there is strong evidence
9:25
that teens users are way more likely to develop mental health issues like psychosis,
9:30
schizophrenia, depression or anxiety later in life.
9:34
Once again, the younger you start,
9:36
the higher the risk –
9:37
and it also seems to rise massively with high THC doses,
9:41
making highly potent cannabis products even more dangerous for teens.
9:46
Ok let’s wrap this up.
9:48
We’ve only focused on the negative sides in this video,
9:51
that was the whole point.
9:53
As we said before,
9:54
for most people weed in moderation is totally fine
9:57
and definitely way less harmful than alcohol.
10:00
You do you, we are not your parents.
10:02
The upside of moderation is also that when you do it,
10:06
your experience will be more intense and special.
10:09
But for teens, weed, especially using it regularly or a lot of it,
10:13
is a bad idea, with potentially life changing consequences.
10:18
We know that criminalization did nothing to make this better.
10:22
We now have a new chance under legalization.
10:25
It begins with being open
10:26
and honest about the state of science
10:28
and acknowledging that weed is one drug among many others.
10:32
Certainly not the worst one by a long shot.
10:35
But also problematic for at least 1 to 3 out of ten people using
10:39
it.
10:40
If you really have to try cannabis,
10:42
there is a time and place – and that is in your twenties.
10:46
If you are younger, the science is clear: Don’t do it.
10:49
At least not yet.
10:51
You’ll have plenty of time to experiment later.
10:57
Let’s do a different experiment now!
11:00
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11:08
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11:28
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12:06
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