- Man, I love coffee.
- Man, I love coffee.

Tastes so good and makes me feel good.
Tastes so good and makes me feel good.

But is it good for me?
But is it good for me?

Huh.
Huh.

Hey, Jess!
Hey, Jess!

You're basically a scientist.
You're basically a scientist.

Is coffee good for me?
Is coffee good for me?

- Well, Joe, you're about to find out!
- Well, Joe, you're about to find out!

'Cause we're gonna science the (bleep) out of it.
'Cause we're gonna science the (bleep) out of it.

- Nice.
- Nice.

(funky bass music)
(funky bass music)

Let me tell you what's happening in my brain
Let me tell you what's happening in my brain

before I drink coffee.
before I drink coffee.

- Okay.
- Okay.

- Life sucks.
- Life sucks.

What's my middle name, shoe size, last name?
What's my middle name, shoe size, last name?

Oh my god I want some coffee.
Oh my god I want some coffee.

So I drink it, and I'm like yeah, yeah, yeah, yeah.
So I drink it, and I'm like yeah, yeah, yeah, yeah.

- Caffeine is the most popular psychoactive
- Caffeine is the most popular psychoactive

drug in the world.
drug in the world.

And the way most people get it
And the way most people get it

is through coffee.
is through coffee.

When you drink the coffee, the caffeine
When you drink the coffee, the caffeine

actually hijacks your brain.
actually hijacks your brain.

There are receptors in your brain
There are receptors in your brain

meant for a chemical called Adenosine.
meant for a chemical called Adenosine.

And Adenosine is what actually makes you feel tired,
And Adenosine is what actually makes you feel tired,

but when you drink caffeine, the caffeine
but when you drink caffeine, the caffeine

takes control of those receptors,
takes control of those receptors,

and doesn't leave any room for the Adenosine,
and doesn't leave any room for the Adenosine,

and that's why you feel alert.
and that's why you feel alert.

So how many cups do you drink during the day?
So how many cups do you drink during the day?

- Let's see.
- Let's see.

I would say on average probably like,
I would say on average probably like,

between five and eight.
between five and eight.

- You should be drinking no more than 400 milligrams.
- You should be drinking no more than 400 milligrams.

- Which is what, 400 cups?
- Which is what, 400 cups?

- (laughs)
- (laughs)

No, depending on, 'cause each cup is different
No, depending on, 'cause each cup is different

in terms of how much caffeine is in it,
in terms of how much caffeine is in it,

- Okay - But ...
- Okay - But ...

- Wait, I'm sorry, 400 milligrams
- Wait, I'm sorry, 400 milligrams

of caffeine - Of caffeine.
of caffeine - Of caffeine.

The FDA recommends no more than 400 milligrams
The FDA recommends no more than 400 milligrams

of caffeine a day.
of caffeine a day.

There's about 142 milligrams of caffeine
There's about 142 milligrams of caffeine

in this 12 fluid ounce coffee mug.
in this 12 fluid ounce coffee mug.

So that's about three mugs a day.
So that's about three mugs a day.

- Okay, but so what if I have more than that?
- Okay, but so what if I have more than that?

One thing that I'm always worried about
One thing that I'm always worried about

when drinking coffee,
when drinking coffee,

'cause lots of times I'll be drinking,
'cause lots of times I'll be drinking,

and I'll feel like my heart like just going
and I'll feel like my heart like just going

like super fast, and I automatically think,
like super fast, and I automatically think,

oh my god, I'm gonna die from drinking coffee.
oh my god, I'm gonna die from drinking coffee.

Is it possible that I could actually
Is it possible that I could actually

drink so much coffee that I die?
drink so much coffee that I die?

And how can I find out how much will kill me?
And how can I find out how much will kill me?

And, so I can drink just a little bit less.
And, so I can drink just a little bit less.

- (laughs)
- (laughs)

So it's not necessarily drinking too much coffee
So it's not necessarily drinking too much coffee

that's gonna kill you.
that's gonna kill you.

It's the caffeine in the coffee that's gonna kill you.
It's the caffeine in the coffee that's gonna kill you.

There was a study that showed that
There was a study that showed that

if you drank 12 highly caffeinated energy drinks
if you drank 12 highly caffeinated energy drinks

within a few hours, you would most likely die.
within a few hours, you would most likely die.

So Joe, is that coffee filtered?
So Joe, is that coffee filtered?

- It is.
- It is.

- That's actually healthier for you.
- That's actually healthier for you.

- Ha ha, yeah!
- Ha ha, yeah!

- Coffee contains over 1,000 compounds.
- Coffee contains over 1,000 compounds.

Some of those compounds are healthy antioxidants,
Some of those compounds are healthy antioxidants,

but there's something else in coffee
but there's something else in coffee

that according to one study,
that according to one study,

can actually raise your cholesterol levels.
can actually raise your cholesterol levels.

But if you drink filtered coffee,
But if you drink filtered coffee,

the filtering process actually prevents
the filtering process actually prevents

those cholesterol-raising compounds
those cholesterol-raising compounds

from reaching your cup.
from reaching your cup.

- According to something I read online,
- According to something I read online,

caffeine affects your sleep,
caffeine affects your sleep,

and you need a good like five hours
and you need a good like five hours

to get it out of your system.
to get it out of your system.

- It should be more like six hours.
- It should be more like six hours.

Because the half life of caffeine
Because the half life of caffeine

is about six hours.
is about six hours.

So it'll take six hours for your body
So it'll take six hours for your body

to metabolize 50% of the caffeine in there.
to metabolize 50% of the caffeine in there.

So basically then that means if you have
So basically then that means if you have

a cup of coffee at 8 a.m., you're still gonna have
a cup of coffee at 8 a.m., you're still gonna have

25% of the caffeine that was in that coffee
25% of the caffeine that was in that coffee

in your system by 8 p.m.
in your system by 8 p.m.

- (bleeped)
- (bleeped)

So for the average viewer who's watching this
So for the average viewer who's watching this

and probably drinks coffee but not
and probably drinks coffee but not

as much coffee as I drink,
as much coffee as I drink,

is coffee good for you or not?
is coffee good for you or not?

- The overall consensus is yes.
- The overall consensus is yes.

- Aha!
- Aha!

- According to the latest scientific research,
- According to the latest scientific research,

coffee can reduce your risk of
coffee can reduce your risk of

certain cancers, like liver and uterine cancer.
certain cancers, like liver and uterine cancer.

- Nice.
- Nice.

- And reduce your risk of cardiovascular disease.
- And reduce your risk of cardiovascular disease.

- Nice.
- Nice.

- Type 2 diabetes.
- Type 2 diabetes.

- Nice.
- Nice.

- And possibly reduce your risk of Alzheimer's Disease.
- And possibly reduce your risk of Alzheimer's Disease.

- N-n-nice.
- N-n-nice.

- And so yeah, overall coffee is relatively good for you.
- And so yeah, overall coffee is relatively good for you.

- Hell yeah. Cancer-free, sharp brain, plenty of energy,
- Hell yeah. Cancer-free, sharp brain, plenty of energy,

terrible breath, sorry by the way.
terrible breath, sorry by the way.

We weren't supposed to- we didn't know we were gonna
We weren't supposed to- we didn't know we were gonna

stand this close.
stand this close.

So conclusion, coffee is the (bleep).
So conclusion, coffee is the (bleep).

- You should probably stop drinking
- You should probably stop drinking

when you get older.
when you get older.

Because drinking coffee within the first hour,
Because drinking coffee within the first hour,

it can actually raise your blood pressure.
it can actually raise your blood pressure.

- Like in the day?
- Like in the day?

- Within the first hour of drinking.
- Within the first hour of drinking.

- Okay.
- Okay.

- Yeah.
- Yeah.

- I'm probably not gonna do that.
- I'm probably not gonna do that.

- (laughs)
- (laughs)