Not completely eliminating the wastes can mean that you have old feces still in your body which can be unhealthy and disease causing toxins for your digestive system.

According to a study by an Israeli doctor named Dov Sikirov in Digestive Diseases and Sciences revealed that sitters spend 79 seconds longer getting the deed done than squatters who poop efficiently on being aligned correctly.

When you sit, you tend to control your sphincter muscle by contracting and releasing it but that muscle cannot maintain continence on its own. The body then relies on a bend between the rectum, where the feces are stored and the anus from where the feces come out. When you sit down instead of squatting, the extent of this bend called the anorectal angle is about 90 degrees which exerts upward pressure on your rectum leaving most of the poop inside you. When you squat the bend straightens out like a kink ringed out of a garden hose and defecation becomes simpler.

Nearly 1.2 billion people squat to excrete the wastes of the body because they don’t have toilets while in most Asian countries, Middle East and parts of Europe people use toilets specially designed for squatting.
Changing your defecation physics is not an easy task. If you find squatting on top of your toilet seat uncomfortable, you can try a similar a poop-enhancing angle by resting your feet on a footstool and leaning the top half of your body forward.

The problems caused by sitting on your toilets:

Constipation: It is difficult to get the fiber you need or the water required in your diets. The lack of these along with a wrong toilet posture does not allow you to eliminate all the stored feces completely and leads to dry and hard stools. It becomes very difficult for you to push out these dry and hard stools. Most of us have experienced this condition called constipation.

Haemorrhoids: It is a condition where your anal varicose veins are inflamed as a result of straining and pushing too hard. The veins get swollen and even bleeding in some cases causing pain and agony.

Colon Diseases: when you sit instead of squatting, there is a chance of fecal build-up in your colon which leads to colon diseases and even colon cancer. When the feces builds up in your colon, your body cannot absorb the necessary nutrients from the food you eat leaving you weak and unhealthy.

Urinary infections: Urinary flow is easier and safer when women squat. The bladder is completely emptied. Squatting instead of directly sitting on the toilet seats can prevent urinary infections.

Pelvic Floor Disorders: sitting position causes a great amount of pressure to exert upon the anorectal angle of the colon that leads in the colon to hang low and protrude into the vaginal wall. You can protect your pelvic floor nerves by squatting for bowel elimination. Pelvic floor disorder can also affect men which can be resolved by incorporating squatty potty in their everyday routine.

150 years ago, no one could have predicted how this change would affect the health of the population. But today, many physicians blame the modern toilet for the high incidence of a number of serious ailments. Westernized countries have much higher rates of colon and pelvic disease, as illustrated by this report in the Israel Journal of Medical Science:

The advantages of squatty potty for health:

• It helps the nerves that control the prostate, bladder and uterus from straining, being stretched and damaged.
• It seals the ileocecal valve between the colon and the small intestine, which often leaks and contaminates the small intestine in a sitting position.
• It relaxes the puborectalis muscles in order to maintain continence which otherwise chokes the rectum.
• It cures and provides relief in haemorrhoids which is mainly caused by straining.
• Squatting position is helpful for pregnant women by avoiding the pressure on the uterus and promotes natural delivery.

Seven Advantages of Squatting

Makes elimination faster, easier and more complete. This helps prevent “fecal stagnation,” a prime factor in colon cancer, appendicitis and inflammatory bowel disease.

Protects the nerves that control the prostate, bladder and uterus from becoming stretched and damaged.

Securely seals the ileocecal valve, between the colon and the small intestine. In the conventional sitting position, this valve is unsupported and often leaks during evacuation, contaminating the small intestine.
Relaxes the puborectalis muscle which normally chokes the rectum in order to maintain continence.
Uses the thighs to support the colon and prevent straining. Chronic straining on the toilet can cause hernias, diverticulosis, and pelvic organ prolapse.

A highly effective, non-invasive treatment for hemorrhoids, as shown by published clinical research.
For pregnant women, squatting avoids pressure on the uterus when using the toilet. Daily squatting helps prepare one for a more natural delivery.

Historical Background

Man, like his fellow primates, has always used the squatting position for resting, working and performing bodily functions. Infants of every culture instinctively squat to relieve themselves. Although it may seem strange to someone who has spent his entire life deprived of the experience, this is the way the human body was designed to function.

And this is the way our ancestors performed their bodily functions until the middle of the 19th century. Before that time, chair-like toilets had only been used by royalty and the disabled. But with the advent of indoor plumbing in the 1800’s, the throne-like water closet was invented 22 to give ordinary people the same “dignity” previously reserved for kings and queens. The plumber and cabinet maker who designed it had no knowledge of human physiology – and sincerely believed that they were improving people’s lives.

The new device symbolized the “progress” and “creativity” of western civilization. It showed that Man could “improve” on Nature and transcend the primitive cultural practices followed by the poor “benighted” natives in the colonies. The “White Man’s Burden” typified the condescending Victorian attitude toward other races and cultures.

The British plumbing industry moved quickly to install indoor plumbing and water closets throughout the country. The great benefits of improved sanitation caused people to overlook a major ergonomic blunder: The sitting position makes elimination difficult and incomplete, and forces one to strain.

Those who could not overlook this drawback had to keep silent, because the subject was considered unmentionable. Furthermore, how could they criticize the “necessary” used by Queen Victoria herself? (Hers was gold-plated, befitting the self-styled “Empress of India.”)

So, like the Emperor’s New Clothes, the water closet was tacitly accepted. It was a grudging acceptance, as evidenced by the popularity of “squatting stools” sold in the famous department store, Harrods of London. As shown below on the left, these footstools merely elevated one’s feet in a crude attempt to imitate squatting.

Nearly 1.2 billion people squat to excrete the wastes of the body because they don’t have toilets while in most Asian countries, Middle East and parts of Europe people use toilets specially designed for squatting

The rest of Western Europe, as well as Australia and North America, did not want to appear less civilized than Great Britain, whose vast empire at the time made it the most powerful country on Earth. So, within a few decades, most of the industrialized world had adopted “The Emperor’s New Throne.”

150 years ago, no one could have predicted how this change would affect the health of the population. But today, many physicians blame the modern toilet for the high incidence of a number of serious ailments. Westernized countries have much higher rates of colon and pelvic disease, as illustrated by this report in the Israel Journal of Medical Science:

The prevalences of bowel diseases (hemorrhoids, appendicitis, polyps, ulcerative colitis, irritable bowel syndrome, diverticular disease, and colon cancer) are similar in South African whites and in populations of prosperous western countries. Among rural South African blacks with a traditional life style, these diseases are very uncommon or almost unknown.

(Source- http://www.naturesplatform.com/health_benefits.html#summary)