The Curious: What is belching? and What causes Belching?

What is belching?
Belching is the act of expelling air from the stomach through the mouth. It usually occurs when the stomach distends (expands) due to too much swallowed air, with the belching releasing the air to reduce the distention.
Other names for belching include burping and eructation.
What Causes Belching?
Belching occurs when the stomach fills with swallowed air. There are a number of reasons why more air than normal may be swallowed, but the most common are:
- Eating or drinking too quickly
- Drinking carbonated drinks anxiety
Babies and young children may swallow large amounts of air without realizing it. This is why babies are burped shortly after drinking breast milk or formula—to expel the excess air that was swallowed during feeding.
It is possible to belch when the stomach is not full of air. This is usually because belching has become a habit or a tool to try to reduce abdominal discomfort. While belching will only relieve discomfort associated with swallowing air, it is not uncommon for people to attempt to relieve other abdominal discomforts in the same way.
It is related to farting.
Source: Healthline
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Why do we sneeze?

You just happen to sneeze everytime, ever wondered why?. Attimes you sneeze more than one time in few minutes. Ok, this will tell you the reason.

Sneezing is a trigger for more than saliva expulsion.
They blast out germs and other unwanted intruders, but sneezes have another, just discovered purpose, a new study says. (Get more health news.)
When we breathe in foreign particles, sensors in our noses and sinuses detect the objects.
The sensors signal the cilia—tiny, hairlike paddles that line our nostrils and sinuses—to move to expel the irritants.
This process is "always idling at first gear," with the cilia ready to spring into action when needed, said study co-author Noam Cohen, an otolaryngologist—ear, nose, and throat specialist—at the University of Pennsylvania and the Philadelphia VA Medical Center.
The study found that the burst of air produced by a sneeze not only clears nasal passages but also triggers the cilia sensors to kick the paddles into high gear for an extended period —about a couple minutes—Cohen said.
In that sense, a sneeze works by "resetting the system—like Control-Alt-Delete" on a PC, he said.
The study highlights what an "underestimated organ" the nose is, especially in terms of keeping us healthy, added Stella Lee, an otolaryngologist at the University of Pittsburgh School of Medicine.
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Essential: Why you're always hungry.

Understanding why you’re always hungry can help to defeat excessive hunger and get you on the road to healthier and more moderate eating.
- Alcohol
Your glass of wine or beer with dinner could be contributing to your hunger. Research has shown that drinking alcohol can increase the presence of the hormone, ghrelin, which triggers a feeling of hunger. In addition to eating more while drinking, the increased feeling of hunger can carry on to subsequent meals.
- Speed Eating
Although quickly eating a meal on the run or between meetings may be a time saver, it can backfire in the long run. When you eat quickly, the hormone your stomach sends to let your body know that you’re full doesn’t have time to trigger, preventing you from ever feeling full. Studies have proven that individuals who take longer to chew their food stay fuller longer.
- Sleep Deprivation
In today’s fast paced society, it is common for people to get as few as four or five hours of sleep a night. When your body hasn’t had adequate rest, it becomes more difficult to produce the hormone leptin, which is responsible for allowing your body to feel full.
Sleep deprivation also leads to an increase in the production of the hunger inducing hormone ghrelin. Furthermore, sleep deprivation stimulates the part of the brain that is responsible for recognizing food as a source of pleasure.
- Peer Pressure
Making healthy choices is infinitely more difficult when you’re with a large group. When friends and family are indulging in unhealthy plates or desserts at dinner, it isn’t always easy to say no. Avoiding unhealthy options is particularly difficult when you’re dating or find yourself in new social situations when the desire to fit in is more prevalent. Try not to let these pressures deter you from your mission, a healthy you will be a happier you in the long run!
- Skipping Breakfast
Many people skip breakfast as a way to save time in the morning. Skipping breakfast has many negative repercussions such as; slowing down your metabolism, causing you to feel hungry, and stimulating your body into storing food instead of burning it. People who skip breakfast are nearly five times as likely to be obese than their breakfast eating
counterparts.
- Too Much Tube Time
While watching television, you’re more likely to eat processed snack foods, eat high calorie meals, and indulge in soft drinks. In fact, people who watch more than two hours of television a day are more likely to be overweight than individuals who watch less television.
- Stress
Many people turn to food as a coping
mechanism, eating as a way to deal with stressful or negative emotions. This can lead to an unhealthy eating cycle. Stress eating does not reduce negative emotions or anxieties, but rather triggers the need to eat more and leads to weight gain and further anxieties.
- Diet Soda
Once touted as a healthy alternative to sugary drinks, diet soda has a negative impact on appetite and overall health. Sugar substitutes can alter the body’s ability to feel full and trigger feelings of hunger. When tasting something sweet, our bodies expect sugar and calories to follow. When this doesn’t happen, our brain is confused and must adapt to a new process.
- Dehydration
Often, what people perceive as hunger is actually thirst. This is especially true when a person is chronically dehydrated. In fact, many symptoms that people think of as associated with hunger; crankiness, low energy, feeling weak, can be attributed to dehydration.
- Eating Processed Foods
Processed foods are often high in calories and low in nutrients. Because of this your body continues to crave sustenance. Additionally, processed food often contains additives and chemicals that can be addictive. Some research has shown that high fructose corn syrup, which is a main ingredient in many processed foods, can slow down production of the hormone leptin, which tells the brain that you are full.
- Chewing Gum
Chewing gum, even sugar free gum, can increase feelings of hunger. When gum is chewed, the saliva that is produced is swallowed and sent to the stomach. The body then looks for food to follow which can make you hungrier
Source: blog.withings.com
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Why you shouldn't drink cold water excessively.

As we know so well, drinking cold could be so refreshing. Like When you take this after exercise, wow!. It rehydrates you. But, you know my quote about modesty, nothing should be excessive.  Instead of the refreshing chilled water to quash thirstiness it maybe inturn quashing your health.
Here are some reasons why you shouldn’t drink too much ice or cold water:
- Interferes with your digestion: Drinking ice water or cold water hampers the process ofdigesting food as it causes your blood vessels to shrink. This can slow down the process of digestion and as the food is not digested properly, the nutrients are lost or not absorbed by the body. You may like to read about home remedies for better digestion
- Robs you of nutrients: The body’s
temperature is 37o C and when you drink something at a very low temperature, your body has to spend energy to regulate its temperature. This spent energy is otherwise used to digest food and absorb nutrients, thereby leaving your body short of nutrition.
- Increases your chances of getting a sore throat:
Drinking cold water can cause the buildup of respiratory mucosa, which is a protective layer of the respiratory tract. When this layer gets congested, the respiratory tract is exposed and becomes vulnerable to various infections and hence the chances of your throat turning sore are high.
- Decreases your heart rate:
Drinking ice water or cold water decreases your heart rate.
Studies have shown that drinking ice water stimulates the vagus nerve. The vagus nerve is the 10th cranial nerve and is an important part of the body’s autonomous nervous system that controls involuntary actions of the body. The vagus nerve mediates the lowering of the heart rate and the low temperatures of ice cold water act as a stimulus to the nerve which causes the heart rate to drop1.

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