As a hemorrhoid sufferer, you have surely wondered what causes hemorrhoids. The truth is that scientists are not sure why people suffer from hemorrhoids. It appears that there is no single cause of hemorrhoids but many factors that contribute to their onset.
Hemorrhoids are really varicose veins located both in the anal canal itself and around the entrance to the anal canal . The veins and other blood vessels supplying this area with fresh oxagentated blood and draining away deoxagenated blood have become dilated or swollen.
To understand what causes hemorrhoids, it is necessary to look at what factors cause these varicosities.
While it is agreed that there are many things to consider as to the cause of hemorrhoids, medical experts concur that it is because of excessive pressure and strain placed on these veins and vessels at times that is paramount in their development. Once you eliminate unnecessary pressure in the rectum, you will eliminate hemorrhoids, or piles as they are more commonly known.
The following list will give you some answers to the question of exactly what causes hemroids.
Constipation – This is at the top of the list of causes of hemorrhoids. 
Infrequent or difficult passing of hard, dry faeces puts undue strain on the blood vessels in the rectum. While many people worry that they do not move their bowels often enough, it is more important that bowel movements are regular and comfortable.
The most common cause of constipation in the developed world is a lack of dietary fibre. Found in fruit, wholemeal bread and vegetables, it is essential in stimulating the muscles of the colon and enabling them to expel waste material or stool. Resisting the urge to go an also add to constipation so try and establish a regular toilet habit and drink plenty of fluids.
Lifting heavy objects – either weight lifting in the gym as a regular practice or lifting just a one off heavy item have been known to cause hemorrhoids due to the strain exerted in the rectum.
Prolonged sitting or standing without moving puts the same kind of pressure on the veins in the anal area that go on to develop hemorrhoids. Spending longer than necessary on the toilet for example is not a good idea.
Obesity – health problems are increased for the over-weight person. This can be what causes hemorrhoids for some, as carrying around extra weight is not only tiresome but it adds more pressure to veins already under pressure.
Diarrhea – Frequent watery or loose bowel movements mean visiting the bathroom more often and the need to clean the anal area afterwards. 
Too much wiping or wiping with harsh products will only irritate the area and can lead to hemorrhoids.
Runs In The Family – Studies have shown that some people have a congenital weakness of the veins in the anus which increases their chances of developing hemorrhoids.
Pregnancy – Hemorrhoids are very common at this time due to increased pressure in the abdomin and rectal area and also immediately after childbirth when delivering a baby puts extreme pressure on the rectal veins.
Age - Is seems that hemorrhoids are more prevalent in advanced years but this is probably connected to constipation or other causes.
You should now have a better understanding of what causes hemorrhoids and what might have caused your hemorrhoids. With this information, you can make the necessary changes to your diet or lifestyle. Hemorrhoids are usually nothing more than a minor inconvenience but when they are with you for a time, they can become an annoying and painful nusiance.
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