The diseases that changed humanity forever - Dan Kwartler

Explore the history of humanity’s deadliest diseases, and find out how our progress and innovation exposed us to new pathogens.

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Since humanity’s earliest days, we’ve been plagued by countless disease-causing pathogens. Invisible and persistent, these microorganisms and the illnesses they incur have killed more humans than anything else in history. But which disease has been the deadliest? Dan Kwartler digs into how human progress and innovation throughout history exposed us to surprising new maladies.

Lesson by Dan Kwartler, directed by BASA.

This video made possible in collaboration with Gates Ventures

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Thank you so much to our patrons for your support! Without you this video would not be possible! Jose Arcadio Valdes Franco, Sebastiaan Vleugels, Karl Laius, JY Kang, Abhishek Goel, Heidi Stolt, Nicole Sund, Karlee Finch, Mario Mejia, Denise A Pitts, Doug Henry, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Kyanta Yap, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides, Yvette Mocete, Cyrus Garay, Samuel Barbas, LadyGeek, Marin Kovachev, Penelope Misquitta, Hans Peng, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Hoai Nam Tran, Kack-Kyun Kim, Michael Braun-Boghos, zjweele13, Anna-Pitschna Kunz, Edla Paniguel, Thomas Mungavan, Jaron Blackburn, Venkat Venkatakrishnan, ReuniteKorea, Aaron Henson, Rohan Gupta, Begum Tutuncu, Brian Richards, Jørgen Østerpart, Tyron Jung, Carsten Tobehn, Katie Dean, Ezgi Yersu, Gerald Onyango and alessandra tasso.

[davea]

If it were not for antibiotics I would be dead. I'm grateful to Sir Alexander Fleming for discovering penicillin. Fleming definitely deserved winning the Nobel Prize in Medicine and getting knighted.

[aminetaoussi]

Glad to be living in an era where vaccination and medication are available

[lucianoosorio]

“I took one from both teams from a disease nobody knew existed. I didn’t leave a mark on history, I French kissed it!” Freddie Mercury

[athrv]

This is still prevelant in today's society. The rich are still getting the best care while the poor and working class are being neglected

[peterinbrat]

In the 19th century, about one in seven ppl died of TB worldwide..

[maestroh]

I often wonder how we survived this long as a species before medical advances. Now I know.

[thefriesofLockeLamora]

Accessibility will always be key. One day, hopefully, healthcare will be a right delivered to all without worry of debt

[KnowledgeCat]

Such an insightful video on how diseases have shaped human history. It’s fascinating to see the impact they’ve had on humanity. Great work on this enlightening piece!

[klloydplata]

Handsoap is like a Superpowered ability thing in real-life world. This is why I hand-washing more than 5 times a single moment.

[CharlotteXMoon]

And if we all actually work together we can develop even more cures for even more diseases

[Sunflowersarepretty]

Great video! They should've included covid 19 in it too. I'm glad we live in an era where even though we're not invincible we still are able to lead healthy lives and live longer thanks to our modern medicines and technologies and our history.

[jasonvoorhees]

1:39 Sometimes i really just sit and ponder how many awful diseases we suffer from today that really only emerged after we developed plant/animal agriculture

[klloydplata]

Always washing your hands is the most important good and safest way for control and prevention of widespread diseases because proper hygiene to protect, defend and prevent you from getting illness, sickness, or diseases.

[Sloppy_McFloppy]

4:30 definitely triggered some PTSD in SS13 players

[sohankamble]

The More I learn about struggles of people in past, the more I find myself lucky to be existing on this planet

[WWTormentor]

Two questions.

1) how do they know what the worlds population was in the 1300’s when they didn’t even know that the new world (Americas)existed?

2) is there any evidence of any pandemics or diseases that effected the new world populations and how did that effect the Europeans that came to the new world without any natural immunity?

[Proman]

That map gap between Gibraltar and Morocco is criminal

[teabean]

I’m expecting John Green to watch this

[tianoyes]

i appreciated the dysentery sound effect😂 toot toot

[Erazon]

Please make more videos on diseases ❤️❤️❤️