Lisa Calhoun tried… massage, acupunture, yoga, physical therapy, over the counter medications BUT everything she tried either... did nothing OR made the pain worse.
Until she discovered the 12-second “Neural Pain Switch” that finally erase the nonstop, throbbing joint pain stealing her independence, freedom, and confidence – FOR GOOD!
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In This Video, I Discussed WHAT IS VECTOR & VECTOR BORNE DISEASE WITH EXAMPLES..
This video is Important for NEET MEDICAL BIOLOGY PREPARATION, West Bengal school service biological science preparation, SLST BIOLOGY, WBCHSE BIOLOGY, CLASS 12 BIOLOGY and other competitive exam., in which Biology is a part..
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what is – VECTOR
VECTOR BORNE DISEASE
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EXAMPLES OF VECTOR BORNE DISEASE
7-Minute Biology Tricks | Diseases Caused by Virus (वायरस के कारण होने वाले रोग) | By Krati Ma’am
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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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They can be spread in many ways; by direct contact, by water or by air. Different pathogens are spread by different mechanisms.
How can transmission be reduced or prevented?
Depending upon which disease you are trying to reduce transmission for, depends upon which methods you need to engage.
Simple hygiene measures can reduce or prevent the spread of many diseases, including flu and the common cold.
To reduce or prevent cholera and other diarrhoea causing pathogens, communities need access to safe drinking water, adequate sanitation so that dirty water is not exposed and basic hygiene needs such as washing hands properly, boil water properly and keep surfaces clean.
Malaria and yellow fever both have mosquitos as their vector, and lyme disease uses ticks. A vector is an organism that has an active role in transmitting pathogens from one host to another. To prevent or reduce infection from vector borne diseases, the vectors need to be controlled or humans protected against the vector such as wearing mosquito repellent and wearing long sleeved clothing. Insecticide and spraying techniques can be used to reduce the populations of the vectors, but this is trickier and more expensive.
If a disease is highly contagious, such as rabies, people may need to be isolated to prevent the infection spreading to others.
Vaccinations are also an option for preventing and reducing pathogens. Vaccinations involve putting a small amount of inactive or dead pathogen into the body, which stimulates the body to produce antibodies against the specific pathogen. This enables the body to be prepared to attack and destroy this pathogen if they are infected in future.
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Let’s watch this animation to learn about some disease-causing microorganisms in human beings and what we can do to prevent these diseases.
Learn what fungi and protist are and how they can cause ‘Rose Black Spot’ and ‘Malaria’. We also cover vectors and parasites, and the symptoms and treatments of each disease
Did you know that it wasn’t until around 200 years ago that people knew what caused infectious diseases? Before that, they believed that one cause was ‘bad air’, and so they carried around bunches of sweet-smelling flowers to sweeten the scent of the air and prevent disease.
Thanks to the invention of the microscope, and the experiments carried out by scientists, we now know that infectious diseases are caused by pathogens such as viruses and bacteria.
In this video we’re going to look at how bacteria can cause disease in humans.
CONTENT
0:00 intro
0:06 history of bacterial diseases
0:27 causes of infectious diseases
0:39 what are bacteria?
0:55 salmonella food poisoning
1:29 gonorrhoea
2:13 tuberculosis (TB)
2:45 stomach ulcers
3:22 conclusion
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A pathogen is a microorganism that can cause disease. Pathogens may be viruses, bacteria, protists or fungi.
Examples of bacteria infections are cholera, typhoid, food poisoning and gonorrhoea. Examples of viral infections are the flu (influenza), measles, mumps, the common cold and AIDS. Some common fungal skin conditions are athletes foot and ringworm. Malaria is an example of a protist pathogen.
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Now we know about a wide variety of bacteria, as well as precisely how they can harm us. So how do they get spread around? How do communicable diseases get from host to host? Let’s learn all about this process now.
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