Who are these tiny creatures that surround us? Let's learn about bacteria in a simple way!

Have you ever wondered how many tiny organisms that are invisible to our eyes, but are everywhere, are in this world, even in our bodies? Well, bacteria are a type of tiny organism that is invisible to our eyes, but can have a big impact on our lives. Maybe you have heard this name, maybe you have heard a doctor say it. So, today, let's talk a little more about these friends (and sometimes enemies!) called bacteria ?

What exactly is bacteria?

Simply put, bacteria are the smallest organisms made up of a single cell. Imagine, our bodies are made up of millions of cells. But this bacterium is just one cell! It's that small.

Our eyes can't see them at all. To see them, you definitely need a microscope.

These bacteria come in all shapes and sizes.

• Some people are rod-shaped (bacilli).
• Some are like balls (cocci).
• Others are spiral-shaped (Spirilla).

So where are these guys?

It's hard to imagine, but it's actually hard to find a place in the world without bacteria!

• On the ground
• In sea water, in river water
• In the air we breathe
• On our skin
• Inside our mouths
• Inside our intestines... yes, yes, there are millions of them inside our bodies too!

This may sound a little strange, like, "Oh my, do I have that many bacteria on my body?" But don't worry. We'll talk about that next.

Are all bacteria bad? Do they make us sick?

Here's the important thing. No, not all bacteria are bad. Just as there are good and bad people among people, there are good bacteria that help us, and bad bacteria that make us sick.

Our friendly bacteria

These good bacteria are like indispensable friends to our bodies. Here are some of the things they do for us:

• Helps with digestion: Some types of bacteria in our intestines help us digest the food we eat. Just imagine, without them, we would have difficulty digesting some foods.
• Produces vitamins: Not only that, but these good bacteria also help produce some vitamins that our body needs, for example , vitamin K.
• Protects us from bad bacteria: Like body guards, these good bacteria control the growth of bad bacteria that cause some diseases and help protect us from them.
• Probiotics: Do you eat things like yogurt and skim milk? They also contain these beneficial bacteria. We call them probiotics . These are very good for our gut health.

Harmful bacteria that bother us (pathogenic bacteria)

But then, there are some nasty bacteria that can make us sick. We call them Pathogenic Bacteria . These are the ones responsible for most illnesses.

How do these bad bacteria make us sick?

• Enters the body and damages tissues: When these bad bacteria enter our bodies, they start damaging our cells and tissues.
• Produce toxins: Some types of bacteria produce toxins , which are the toxins that cause symptoms such as fever, body aches, vomiting, and diarrhea.

Some common bacterial infections:

• Strep Throat: If you have a sore throat and difficulty swallowing, it may be caused by a bacteria called Streptococcus .
• Ear infections (Otitis Media): Bacteria are often the cause of ear infections, a common problem in young children.
• Pneumonia: Bacteria also cause some pneumonia-like conditions that affect the lungs.
• Urinary Tract Infections (UTI): These bacteria are often responsible for urinary tract infections, which are common, especially in women.
• Skin infections: Bacteria are also involved in things like wound healing and abscess formation.
• Food Poisoning: Bacteria such as Salmonella and E. coli can enter the body through improperly cooked, dirty food and water and cause food poisoning.

How do bacteria spread from person to person?

These pathogenic bacteria can be transmitted in different ways.

• By direct contact: If you touch an infected person or something they have used (e.g. towels, doorknobs).
• Through the air: Through small droplets of saliva released when an infected person coughs or sneezes.
• Through contaminated food and water: This is the most common way bacteria are transmitted.
• From dirty surfaces: Some bacteria can live on doorknobs, tables, and toys for hours, even days. If we touch those surfaces and then touch our mouth, nose, or eyes with the same hands, we can become infected.
• Through insects: Some bacterial diseases can also be transmitted through animals like mosquitoes and flies.

How to protect yourself from bacterial infections?

Now you might be thinking, "Oh, I can't get rid of these bacteria?" Don't worry. We can go a long way in protecting ourselves from these nasty bacterial infections by following a few simple steps.

• Wash your hands frequently: This is the most important and easiest thing .
• Before eating and before preparing food.
• After going to the bathroom.
• If only you used your hands when coughing and sneezing.
• After touching the animals.
• After going out and coming back.

You should wash your hands thoroughly with soap for at least 20 seconds. Only by washing your hands properly can you avoid many illnesses.

• Food Safety:
• Be clean when preparing food.
• Cook meat, fish, and eggs thoroughly. Do not eat raw or undercooked food.
• Wash vegetables and fruits thoroughly before eating.
• Keep cooked and raw foods separate.
• Getting Vaccines: There are vaccines against some serious bacterial infections (e.g., diphtheria, pertussis, tetanus, and some types of pneumonia). It is very important for children and adults to get these vaccines on time, as recommended by their doctor.
• Cover your mouth and nose when coughing or sneezing: Cover your mouth and nose with a handkerchief, tissue, or at least your elbow. This will reduce the spread of germs to others.
• Stay home if you are sick: If you think you have a bacterial infection (fever, cough, sore throat), it is best to stay home to avoid spreading it to others.
• Avoid sharing personal items: Do not share personal items such as towels, razors, and toothbrushes with others.

How are bacterial infections treated? What are antibiotics?

If we develop a bacterial infection, a doctor will often prescribe us a type of medicine called antibiotics .

Antibiotics are a special type of medicine used to kill bacteria or stop their growth.

But there are a few very important things you need to be aware of here:

1. Not all illnesses require antibiotics: For example, things like the common cold and flu are often caused by other types of germs called viruses . Antibiotics don't work on viruses. That's why a doctor will only prescribe antibiotics if you have a bacterial infection.

2. Follow your doctor's instructions: It is essential to take antibiotics only if prescribed by a doctor, in the exact dosage and for the prescribed period. Do not stop taking the medication just because the pain subsides in two or three days. You must finish the entire course of medication.

3. The dangerous condition called Antibiotic Resistance:

This is one of the biggest health threats in the world today. Simply put, when we use antibiotics unnecessarily, or not as directed by our doctors (e.g., reducing the dose, skipping a dose for days), bacteria become "adapted" or "resistant" to those drugs.

That means, later on, when we really need that antibiotic, it won't work on the bacteria. It won't cure the disease. This is a very dangerous situation. Therefore:

• Never take antibiotics from a pharmacy without first asking a doctor.
• Don't use antibiotics that have been given to someone else.
• Even if you have leftover antibiotics from a previous prescription, do not use them again for the same illness without asking your doctor.

Some other surprising facts about bacteria

• Just think, there are about ten times more bacteria inside and on our skin than there are cells in our bodies! That means we're not really alone, we're like a walking ecosystem.
• Bacteria also play a big role in the environment. It is these bacteria that help decompose dead animals and plants and add nutrients back to the soil. We call this decomposition .
• Bacteria are also used to make some of the foods we eat. For example , yogurt, cheese, vinegar, and some types of bread require the help of bacteria.
• You'd be surprised to hear that some of the antibiotics we use to treat diseases are made using other types of bacteria!

So, the final take-home message:

So, you probably understand now that bacteria are not just a small group of organisms. They are involved in our lives in many ways, for good and sometimes for bad.

• Bacteria are everywhere. Some of them are good for us, some are bad.
• Good hygiene practices, especially frequent hand washing, are the best defense against bad bacteria.
• Antibiotics are valuable medicines. Use them only as directed by your doctor, in the correct dosage, and for the correct duration. Do not use them unnecessarily and reduce their effectiveness. We all have a responsibility to address the dangerous situation of antibiotic resistance.
• Don't be afraid of all bacteria. There are also millions of beneficial bacteria that are essential to our bodies and the environment.
• If you suspect you have an illness, or if you have symptoms such as fever, body aches, or difficulty breathing, it is best to see a doctor without wasting time and seek advice.

I hope this information is useful to you. Stay healthy!

` Bacteria, Germs, Infections, Antibiotics, Health, Diseases, Hygiene