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Carbon dioxide may reduce our cognitive functions

Publié le 30 Avril 2026

Information

Video published by Tom Scott

Kurtis Baute locked himself inside a homemade biodome to explain that some of our habits are rather dangerous. Excess CO2 in the air we breathe could reduce our ability to think.

He says that 60 years ago, CO2 in the atmosphere was around 300 parts per million (ppm). Today, because of industrialization and petroleum exhaust, we would be at 400 ppm in natural areas. In urban areas, it would be around 500 ppm.

Also, since most people spend most of their time indoors, sometimes in poorly ventilated spaces, levels can reach 1000 ppm. A study was carried out in a 1000 ppm environment and concluded that there would be a 15% decrease in cognitive abilities.

In schools in Texas, Idaho and Washington, they found that in at least 15% of classrooms the CO2 level was above 1000 ppm.
They also confirmed that at 1400 ppm cognitive functions had dropped by 15%.

At 2000 ppm, the side effects are:

- Nausea
- Loss of attention
- Headache
- Drowsiness
- Loss of concentration
- Increased heart rate

Here is the link to this study

The CO2 level in bedrooms and cars frequently reaches 4,000 ppm, and motorcycle helmets also commonly trap you in a narrow environment of 10,000 ppm.

The lethal level is 40,000 ppm. Kurtis Baute estimates that by the end of the century the minimum level would be 695 ppm, which implies that globally, as a species, we would have lost 10 to 16% of our cognitive functions.

To conclude, he invites us to open the window and always make sure to ventilate your living space.

Tags
carbon dioxide
cognitive function
scientific study
CO2 level
atmosphere
Kurtis Baute
nausea
loss of attention
headache
drowsiness
loss of concentration
increased heart rate
Envoyer à un ami
Signaler cet article
A propos de l'auteur

Carbon dioxide may reduce our cognitive functions

Publié le 30 Avril 2026

Information

Video published by Tom Scott

Kurtis Baute locked himself inside a homemade biodome to explain that some of our habits are rather dangerous. Excess CO2 in the air we breathe could reduce our ability to think.

He says that 60 years ago, CO2 in the atmosphere was around 300 parts per million (ppm). Today, because of industrialization and petroleum exhaust, we would be at 400 ppm in natural areas. In urban areas, it would be around 500 ppm.

Also, since most people spend most of their time indoors, sometimes in poorly ventilated spaces, levels can reach 1000 ppm. A study was carried out in a 1000 ppm environment and concluded that there would be a 15% decrease in cognitive abilities.

In schools in Texas, Idaho and Washington, they found that in at least 15% of classrooms the CO2 level was above 1000 ppm.
They also confirmed that at 1400 ppm cognitive functions had dropped by 15%.

At 2000 ppm, the side effects are:

- Nausea
- Loss of attention
- Headache
- Drowsiness
- Loss of concentration
- Increased heart rate

Here is the link to this study

The CO2 level in bedrooms and cars frequently reaches 4,000 ppm, and motorcycle helmets also commonly trap you in a narrow environment of 10,000 ppm.

The lethal level is 40,000 ppm. Kurtis Baute estimates that by the end of the century the minimum level would be 695 ppm, which implies that globally, as a species, we would have lost 10 to 16% of our cognitive functions.

To conclude, he invites us to open the window and always make sure to ventilate your living space.

Tags
carbon dioxide
cognitive function
scientific study
CO2 level
atmosphere
Kurtis Baute
nausea
loss of attention
headache
drowsiness
loss of concentration
increased heart rate
Envoyer à un ami
Signaler cet article
A propos de l'auteur

Carbon dioxide may reduce our cognitive functions

Publié le 30 Avril 2026

Information

Video published by Tom Scott

Kurtis Baute locked himself inside a homemade biodome to explain that some of our habits are rather dangerous. Excess CO2 in the air we breathe could reduce our ability to think.

He says that 60 years ago, CO2 in the atmosphere was around 300 parts per million (ppm). Today, because of industrialization and petroleum exhaust, we would be at 400 ppm in natural areas. In urban areas, it would be around 500 ppm.

Also, since most people spend most of their time indoors, sometimes in poorly ventilated spaces, levels can reach 1000 ppm. A study was carried out in a 1000 ppm environment and concluded that there would be a 15% decrease in cognitive abilities.

In schools in Texas, Idaho and Washington, they found that in at least 15% of classrooms the CO2 level was above 1000 ppm.
They also confirmed that at 1400 ppm cognitive functions had dropped by 15%.

At 2000 ppm, the side effects are:

- Nausea
- Loss of attention
- Headache
- Drowsiness
- Loss of concentration
- Increased heart rate

Here is the link to this study

The CO2 level in bedrooms and cars frequently reaches 4,000 ppm, and motorcycle helmets also commonly trap you in a narrow environment of 10,000 ppm.

The lethal level is 40,000 ppm. Kurtis Baute estimates that by the end of the century the minimum level would be 695 ppm, which implies that globally, as a species, we would have lost 10 to 16% of our cognitive functions.

To conclude, he invites us to open the window and always make sure to ventilate your living space.

Tags
carbon dioxide
cognitive function
scientific study
CO2 level
atmosphere
Kurtis Baute
nausea
loss of attention
headache
drowsiness
loss of concentration
increased heart rate
Envoyer à un ami
Signaler cet article
A propos de l'auteur
24 April 2026 12:49:00

The Enigma of Exoplanet WASP-189b: Heavy Metals Defying Atmospheric Laws

Astronomy is in the spotlight this week with the exciting confirmation of a discovery that could redefine our understanding of planetary formation. Researchers from the Max Planck Institute for Astronomy have announced the detection of an unexpected, heavy-metal-rich atmosphere around an ultra-hot...
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