Archive for March, 2022

The deadliest viruses on Earth

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Did you know that there are more than 320,000 viruses that can infect mammals? One of the most talked-about viruses nowadays is SARS-CoV-2, which causes COVID-19, but it is not the deadliest. There are other even more lethal viruses that are the stuff of nightmares.

This might leave you wondering where these viruses come from and how they can kill you. In our video, we explore all these questions and bring you a specific list of the deadliest viruses. The candidates on that list may surprise you.

For instance, rabies is one of the most dangerous viruses around. The virus causes about 56,000 deaths per year in more than 95 percent of Africa and Asia.

It is mostly transmitted from domestic dogs, but bats and rats also play a minor role. One bite from an infected animal can result in inflammation of the brain, nausea, vomiting, violent movements, and even a fear of water.

By then, it’s too late for the infected individual, and death typically occurs after a few days due to cardio-respiratory arrest.

Rabies is only one of the most lethal viruses on Earth right now. If you’re curious about our other picks and how they affect humans, watch our video to find out more.

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Deadly Work Fails Compilation

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Do not watch if sensitive
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"There's BLOOD all over the place!" Workplace Falls and Injuries, Deaths, Accidents, Fatality

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Every year there are hundreds of workplace injuries and death from falls. This video will provide you with a better understanding why falls in the work place are so dangerous. You will hear from leading experts in the field of fall protection, and see what the possible negative outcomes are if you don’t wear fall protection.

This is a great video to use in your company’s fall protection training. It will help employees to become motivated to wear, and understand the need for personal protective equipment.

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Dangers of smoking | Health | Biology | FuseSchool

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Dangers of smoking | Health | Biology | FuseSchool

Did you know that smokers are twice as likely to have a heart attack? And that one in two smokers will die from a smoking-related disease.

In fact all of these things are negatively affected by smoking… pretty much every organ in your body!

Circulation; Heart; Lungs; Mouth and throat; Stomach; Brain; Skin; Reproduction and fertility; Bones

We all know that smoking is bad, but do you know why?

That’s what we’re going to discover in this video.

When you pass someone smoking, does it make you cough or your chest feel tight?

Perhaps you thought it was the smell? It’s actually because you’re inhaling dangerous substances into your body.

Nicotine is a toxin that stimulates your body to produce adrenaline. This increases your heart rate and raises your blood pressure, thus making your heart work harder. It is also addictive, which is why it’s very difficult for smokers to quit.

Tar contains over a thousand chemicals. It forms a tacky brown or yellow residue – which is why some smokers have stained teeth. And if you could see them – stained lungs too.

Some of the chemicals in tar are carcinogens – so they cause cancer, making lung, mouth and throat cancers more common in smokers.

The last culprit you need to know about is Carbon Monoxide. It is an odourless, colourless and extremely poisonous gas. The carbon monoxide permanently binds to haemoglobin in your blood, blocking oxygen from binding.

So oxygen can’t be transported around the body and used for respiration, causing shortness of breath and fatigue. Your heart once more has to beat even faster to supply the body with the oxygen it needs.

Let’s now look at some diseases caused by smoking…

Emphysema is when the tiny structures in your lungs called alveoli, break down.

As alveoli are responsible for gas exchange, this is not good news. The inhaled smoke causes the walls of the alveoli to weaken and decrease in surface area, making gas exchange less efficient. Unsurprisingly, breathing becomes much harder and smokers are much more at risk of coughs and chest infections.

Smoking also causes the cilia in the lungs to become irritated, and produce excess mucus.

So that’s the lungs. And we saw earlier that nicotine and carbon monoxide make the heart work much harder.

Now the blood vessels.

Plaque building up in the coronary arteries, so the ones that transport oxygen rich blood around the heart, can over time cause a blood clot to form, which cuts off some of the heart muscle and causes it to die. This is the most common cause of heart attacks.

So we’ve seen that smoking increases your risk of heart, lung, kidney disease, strokes and cancers.

Smoking can also make your bones more brittle and so more likely to break. And also it can greatly reduce fertility in both men and women.

So, now you know some of the harmful effects smoking has on your body and why we’re told not to do it. But the good news… once you stop smoking, your health improves and your body will begin to recover. It’s never too late to give up!

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Cigarettes aren’t good for us. That’s hardly news — we’ve known about the dangers of smoking for decades. But how exactly do cigarettes harm us, and can our bodies recover if we stop? Krishna Sudhir details what happens when we smoke — and when we quit.

Lesson by Krishna Sudhir, directed by TED-Ed.

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Top 10 Terrible Things Smoking Does to Your Body

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Top 10 Terrible Things Smoking Does to Your Body

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Top 10 Terrible Things Smoking Does to Your Body
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It’s not very healthy, to say the least. From cataracs, to infertility, to cancer, these are just some of the disgusting things that smoking can cause. WatchMojo counts down the Top 10 Terrible Things Smoking Does to Your Body.

Check out our other videos of the Top 10 Unhealthy Health Foods: https://www.youtube.com/watch?v=IZihRNJqyH4, the Top 10 Shocking Foods That Will Give You Cancer: https://www.youtube.com/watch?v=Lg0G86iHuA4, and the Top 10 Things We ALL Do That Are Bad for the Environment: https://www.youtube.com/watch?v=asy1F0Y4iD0.

#10. It Causes Cataracts
#9. It Weakens the Immune System
#8. It Increases the Visible Signs of Aging
#7. It Causes Infertility
#6. It Weakens Your Bones
#5. It Causes Gum Disease, Bad Breath, and Tooth Loss
#4. It Makes Your Blood Thicker
#3, #2 & #1???

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