We're very excited to say that this video is sponsored by Nautilus. If you love learning
and art, just like Life Noggin does, stay tuned at the end of the video to hear more
about the cool work done by Nautilus and how viewers of Life Noggin can save big.
This adorable video: Welcome to "What's Gonna Kill Me," the game show where we ask our contestants,
"What's gonna kill you?" Not to freak you out or anything, but the world is full of things that
can kill you, from natural disasters to illnesses to wild animals. And I'm not talking about large
predators like lions and crocodiles, those only kill a couple of hundred to a thousand people a
year. Those are rookie numbers. The world's deadliest creature is much, much smaller.
Okay, guys, what's the world's deadliest creature? Any guesses, anyone? Oh,
so close, Triangle Bob. We were looking for "mosquito," not a giant logo sign. Sorry.
We'll talk more about the world's deadliest killers
after a brief word from our intro. Hey there, welcome to Life Noggin!
Mosquitoes are responsible for the death of over 1 million people each year, but it's not the bite
that kills them, it's the diseases they're carrying. These include viruses like Dengue,
West Nile, and Zika, as well as parasites like the one that causes malaria. In fact,
malaria is responsible for the majority of mosquito-related deaths. The parasite
infects blood cells, which can result in blood abnormalities or organ failure. And
while preventative measures like insecticides and window screens have largely reduced the
number of cases, malaria killed over 600,000 people just in 2020.
But there's other diseases with an even higher death toll. In the past 200 years, tuberculosis
has killed over 1 billion people, making it the deadliest infectious disease in history. Each
year, it's responsible for the death of about 1.6 million people. It's by no means gone;
scientists believe that a third of the world's population are infected with a dormant form of
this bacteria, but it can be reactivated and spread through coughing and sneezing,
and those with a weakened immune system are most at risk. While it can be cured with antibiotics,
there have also been drug-resistant tuberculosis cases documented all over
the world, making treatment all the more complicated.
But that's still not the world's deadliest killer. That award goes to an unavoidable process that all
living things experience: aging. About 100,000 people die from age-related causes every day.
That's because, as you age, your body goes through lots of changes, like a decline in the function of
organs or the immune system. Eventually, an organ fails or a disease is acquired,
and that results in death. Fighting age-related diseases and aging in general is super important.
We need to be putting a few more resources into treating that. For the top two deadliest
diseases in the world, heart disease and cancer, aging is one of the most important risk factors.
This is due to your arteries becoming harder and accumulating fatty deposits as you age,
and your cells developing more and more genetic mutations over your lifetime.
Hey, we all have to die of something. At least it won't be at the hands or the teeth of a lion. Oh,
good, Triangle Bob is okay. Nope, spoke too soon. That lion has just attacked him. Whoops, sorry.
So, I wanted to try something. In the comments, ask me a question that you want to see as a
Life Noggin video. The three questions that are the most liked will be added to our video list,
pending the questions are appropriate. I reserve the right to, you know,
not make them, but let's have some fun. Start commenting, start voting.
Anyone who sees the value in using visuals or a unique idea to help
people learn is a friend of Life Noggin. That's why I was, I guess you could say,
overly excited when I got the chance to work with today's sponsor, Nautilus. If
you're looking to shake up how you learn about the world beyond just YouTube, check this out.
Nautilus explores big ideas in science. Its stories present ideas that will be debated long
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One of my favorite parts is that, in addition to full access to all the stories in Nautilus,
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Memberships to Nautilus rarely go on sale, but you can go to this link right here to
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