What part of the human body has the most germs?

Your gut is home to most of the microbes in your body, but your skin, mouth, lungs, and genitalia also harbour diverse populations. And as research continues into body biomes, it should reveal answers about how these microorganisms are promoting health or even disease.


Which human body part has most bacteria?

The majority of the bacteria found in the body live in the human gut. There are billions of bacteria living there (Figure 2). We call the group of all the microbes found in the body the human microbiota [1]. These microorganisms colonize the body, which means that they usually do not cause any harm.

What is the dirtiest part of the body?

Your mouth is undoubtedly the dirtiest part of your body. It has the largest amount of bacteria because it comes into contact with so many different germs each day. In fact, Dutch researchers actually conducted a study about kissing.


Where are germs found the most?

The kitchen holds the title for “germiest place in the house”, where bacterial contamination is far more common than in the bathroom, for example:
  • Kitchen rags, towels and sponges are notorious for bacterial contamination.
  • The sink drain, sink and countertops are also frequently contaminated.


What part of the body has the least amount of germs?

The mouth had the least bacterial variability of any tested region. The researchers also tested how well bacteria from one body region could survive on another. They transferred bacteria from the tongue to the disinfected forearms and foreheads of some volunteers and tracked them for up to 8 hours.


How Bacteria Rule Over Your Body – The Microbiome



What is the cleanest and dirtiest part of your body?

The mouth is undoubtedly the dirtiest part of your body with the largest amount of bacteria. The mouth comes in more contact with germs than the rectal area.

Should I clean my belly button?

But just like the rest of your body, they need to be cleaned. In fact, a 2012 study found that 67 different types of bacteria are in the average bellybutton. Most bellybuttons have crevices that can collect dirt and breed bacteria. Aim to clean yours about once a week.

Is the belly button the dirtiest part of the body?

Keep your hands off your belly button

Did you know that your belly button is the dirtiest part of the body, according to the Public Library of Science? “The belly button harbors a high population of bacteria,” Dr. Richardson says.


What are the dirtiest things we touch?

10 Dirtiest Things You Touch and How to Stay Safe From Germs
  1. Dish Sponges or Rags. Why: Dirt plus moisture equals bad news. ...
  2. Kitchen Sinks. Why: This is the second highest breeding ground for e. ...
  3. Toothbrush Holders. Why: “Nasty germs collect. ...
  4. Pet Bowls. ...
  5. Coffee Makers. ...
  6. Bathroom Faucet Handles. ...
  7. Kitchen Counters. ...
  8. Cutting Boards.


Where are the germs found in our body?

Microbes inhabit just about every part of the human body, living on the skin, in the gut, and up the nose. Sometimes they cause sickness, but most of the time, microorganisms live in harmony with their human hosts, providing vital functions essential for human survival.

What is the least cleanest part of your body?

Belly button or the navel is probably the most ignored part of the body. If it is not cleaned regularly, it will not only lead to buildup of dirt but also bacteria. The dark, moist environment of the belly button is ideal for breeding of bacteria.


Is the human mouth dirtier than a toilet seat?

Fact 4: Toilet seats have less germs than mouths! It is estimated that toilet seats have 3,200 bacteria per square inch, where as saliva has an estimated 100 million microbes of bacteria per mililitre with anywhere between 400 and 600 different species.

What is the dirtiest part on a man?

If you think you're clean after a shower, think again. Despite washing your hair and lathering your body with soap, there's one place that people often neglect to clean that doctor's say is a breeding ground for bacteria — your belly button. Just how dirty is your belly button?

How much bacteria is in your poop?

Microbes. Bacteria in faeces have been extensively studied. It's estimated there are nearly 100 billion bacteria per gram of wet stool. One study that looked at a collection of fresh stools in oxygen-free conditions (as oxygen can damage certain types of bacteria) found almost 50% of the bacteria were alive.


How much bacteria is in your belly button?

If you're an innie and not an outie, your belly button is home to at least 60 to 100 or more species of bacteria, fungi and yeasts, according to new research. If you're an innie and not an outie, your belly button is home to at least 60 to 100 or more species of bacteria, fungi and yeasts, according to new research.

What's the cleanest thing on earth?

The cleanest thing in the world is a special clean room, with only about 100 germ particles per cubic foot. Your room probably has more like 500,000 to 1 million particles per cubic foot. Scientists use clean rooms to study things without contamination from bacteria or viruses.

What is dirtier than a toilet?

It's not just the bathroom doorknob that's dirtier than a toilet, it's all the doorknobs, handles, light switches, and electronic keypads around your home that are probably teeming with bacteria or virus-laden. A quick wipe down with a disinfectant wipe will take care of the problem.


What are the body parts not to touch?

7 Parts of Your Body You Shouldn't Touch with Your Hands
  • of 8. Think of your body like it's a temple: It's yours to use, but there are some sacred spots you shouldn't put your grubby hands on. ...
  • of 8. Your Ear Canal. ...
  • of 8. Your Face. ...
  • of 8. Your Butt. ...
  • of 8. Your Eyes. ...
  • of 8. Your Mouth. ...
  • of 8. ...
  • of 8.


What's the dirtiest place in the bathroom?

1. Toothbrush holder. Deemed the third dirtiest place in your entire home in a study by NSF, your toothbrush holder is filled with germs. Not only do germs from your toothbrush cling to the holder, but also, because it's usually left out on the counter, bacteria from other areas of the bathroom land on it.

What is the dirtiest thing in your house?

The microwave and refrigerator doors and the faucet are all covered in bacteria. The vending machine buttons aren't that clean, either. And the damp, dark reservoir in your coffee maker could be full of yeast and mold. Wash your hands before and after you touch the appliances.


Why do belly buttons smell?

Most belly buttons are indented so act as a trap for sweat, dead skin, and dirt. Few people wash the belly button with soap so germs can develop. The most common cause for a belly button smell is poor hygiene. All areas of the body need to be washed regularly to stay clean and healthy.

Why is my belly button hole so deep?

A deep hollow belly button typically occurs when the hood of skin casts a shadow on the inside of the button, giving the visual impression of it being quite deep. This shape is also common in people who have some excess belly fat around the abdomen.

What makes an innie vs outie belly button?

When you're born, the umbilical cord is cut and you have a small piece left called the umbilical stump. One to 2 weeks after birth, this stump falls off and what remains is your belly button. As a result, your belly button is essentially a scar. Whether it's an innie or outie depends on how your skin grows as it heals.


How deep does your belly button go?

Belly buttons are barely a few millimetres deep at a young age. At a young age, belly buttons have an elongated shape. The diameter of the navel varies from fifteen to twenty millimetres. The body weight, pregnancies and abdominal wall hernia can influence the appearance.

What two body parts must be clean?

5 Parts Of Your Body You Should Clean Better
  • Behind your ears. If you do not wash your hair on a particular day you are also not cleaning the area behind your ears. ...
  • Your belly button. The belly button or the navel is probably the most ignored part of the body. ...
  • Tongue. ...
  • Back of the Neck. ...
  • Your toes.