One of the main differences between Islamic and non-Islamic lifestyle is manifested in the eating habits. Not eating pork and not drinking wine are two of these practices which are indeed evident in the life of a Muslim.  This article will briefly analyze some of the reasons why Muslims do not consume pork.  

However, it is important to keep in mind that the central philosophy behind all religious rules including Islamic rules and regulations is only known by the All-Wise and All-Knowing God who is the Creator of the whole universe and all the creatures.

Religious Reasons:

Pork is forbidden in different Divine religions. For instance, the Bible says about pork: "And the swine ...  he is unclean to you. Of the flesh shall ye not eat, and their carcass shall ye not touch; they are unclean to you." (Leviticus, 11:7-8). The same command is repeated in Deuteronomy, 14:8.

Christians often depict Satan in religious anecdotes in the form of a pig. The Gospel of Barnabas mentions that Pig is Satan personified and that the pig’s body has the spirit of Satan. The present Bible among the Christians (Matthew 8-32 Marks 5-13, Luke 8: 28-39) describes how Jesus thrust the soul of Satan inside the herd of swine and sent them towards the river [1].

In Islam, there are two primary sources for understanding the orders of Allah: the Quran and the Sunnah [2].  Both the Holy Quran and Sunnah have equal status as far as the obligatory orders (wajibat) are concerned. If one wajib is mentioned in Sunnah only, it has the same weight as one said in the holy Quran only [3] and vice versa.  Both sources mention that eating pork is forbidden.

Allah has announced that eating pork is forbidden in several verses of the Holy Quran:

“You are prohibited carrion, blood, the flesh of swine …” (5:3).

The unclean nature of swine flesh is stated in the following verse:

“Say, ‘I do not find in what has been revealed to me that anyone be forbidden to eat anything except carrion or spilled blood, or the flesh of swine —for that is indeed unclean— or an impiety offered to other than Allah.’ …” (6:145)

The same concept is declared in the verses (2:173) and (16:115).

Imam Reza (AS) mentions regarding the prohibition of pork, “The Almighty Allah has prohibited (made Haram) Pork because it is a horrible and dreadful animal that Allah has created for men to derive lessons from. People should also refrain from sensuality and shameless deeds that cause such a terrible appearance. And that they fear from being transformed into pigs by Almighty Allah. (In the description of past nations it is mentioned that people who committed sexual promiscuity are changed into pigs in the Intermediate world (Barzakh) [i], and they shall be raised as pigs in the Judgment Day (Qiyamat)).

Also, pigs were allowed to exist so that they are a reminder of the metamorphosis (Maskh) [ii] of previous nations into pigs. The second reason for prohibiting pork is that the staple diet of pigs consists of extremely impure (Najis) and filthy things, and its blood contains innumerable harmful germs.” [4]

Imam Sadiq (AS) said,“The Almighty Allah metamorphosed many nations into animals. Among them are pigs, monkeys, and bears, etc. After this these animals were prohibited from being eaten so that people derive lessons from them and do not consider the sin minor.”[5]

Pork is very harmful to the body but we mention below only some of its harmful effects.

Scientific Reasons:

The present-day science of parasitology has proven some serious diseases in human beings caused by the bacteria and germs found in pork.  Pork is the main carrier of many germs and parasites such as Faciolopsis buski, Paragonimus, Clonorchis sinesis, Erysipelothrix rhusiophathiae [6]. Moreover, Dr. Joseph Mercola has cited the following diseases caused by pork: Porcine Reproductive and Respiratory Syndrome (PRRS), the Nipah Virus, Porcine Endogenous Retrovirus (PERV) and Menangle Virus [7].

On the whole, the pig is the cause of many serious and fatal diseases, among them, dysentery, trichinosis, tapeworm, roundworm, hookworm, jaundice, pneumonia, suffocation, intestinal obstruction, acute pancreatitis, enlargement of liver, diarrhea, emaciation, stone formation in liver, cancer, anemia, high fever, hindrance of growth development in children, typhoid, lameness, heart trouble, abortion, sterility, and sudden death [8].

It is important to note that despite hard efforts in medical science, many of the pig parasites cannot be eliminated by antibiotics, drugs or vaccines.

Some people assert that by present day means it is possible to eliminate all these parasites and make pork devoid of them, but even upon the supposition that use of sanitary equipment or cooking of meat at high temperatures eliminates all the parasites, nevertheless the harms associated with pork cannot be denied for according to the incontrovertible law, the meat of every animal bears the traits of that animal and, by means of the glands and the hormones secreted by them, influences the conduct of those who consume it.

Thus, consuming pork may transfer the attributes of sexual depravity and indifference towards the affairs of the womenfolk of the family - the most blatant traits of the male members of this species - into the person who consumes it.  And perhaps, one of the reasons for the excessive sexual profligacy dominant in the West could be consumption of the meat of this sordid animal [9].

So since the scope of science and the knowledge of human beings are limited, there might be other harms still undiscovered. However, even if human beings find some way of eliminating all the physical and spiritual harms of something, it does not mean that the forbidden (Haram) law of God becomes permissible (Halal). As mentioned at the beginning of the article, we must submit to the will of God as the Creator of the whole world and the Only One who truly knows about what is good and bad for the creatures and why.

Notes:

[i] The stage between this world and the hereafter

[ii] In Arabic, Maskh means for something to change form to an uglier one. In the Quran and Islamic tradition, this term refers to a specific divine punishment which was sent upon the wrongdoers and wrongdoing nations in the past (of course not all wrongdoers, but those who committed certain wrong acts) which can be called metamorphosis. For more information, please refer to http://www.islamquest.net/en/archive/question/fa614

References:

1. eating in Islam
2. Sunnah means the sayings, actions and silent approval of the Holy Prophet and the Holy Imams (PBUT).
3. islamic laws
4. Uyun al-Akhbar ar-Riďa & Wasa’il al-Shia, ch.1 
5. food in Islam
6. eating pork in Islam
7. all about pork meat

The issue of art and drawings in Islam is among those topics that have not been directly mentioned and ruled on in the Quran. Therefore, one might wonder if drawings in Islam is allowed (Halal) or not and if yes, then are all types of drawings permitted (Halal)?

There are a few traditions narrated about drawings in Islam that are usually used to answer this question. However, since the answer can be derived from the Quran, this text tries to answer the question based on the Quranic verses. 
Now, you might be asking how it is possible to understand the ruling on drawing while there is no direct mention of it in the Quran. The answer is clear; the Quran provides us with a set of fixed frameworks that work as a criterion for us. And whenever we come to a question that we think was not an issue at the time of the Prophet (PBUH&HP), we can study it, based on the Islamic criteria and find the answer.

Does Allah Like Art?

Drawings in Islam and all other types of art are considered as tools to make things more beautiful and to create a feeling of admiration in their audience. Allah (SWT) has created this universe most superbly and has ordered all His creatures to admire and praise Him for this beautification. After creating the human, He looked at his creation and admired His own creation: “He formed you and perfected your forms, and provided you with all the good things. That is Allah, your Lord! Blessed is Allah, Lord of all the worlds!” (40:64)

Apart from the whole magnificent scenery of the universe, created by Allah (SWT), there are also some verses of the Quran that indicate the importance of beauty in the eyes of our Creator. And that is why the Prophet (PBUH&HP)’s saying, “Indeed Allah is beautiful and likes beauty” has become so famous [1]. The importance of beauty in the eyes of Allah is visible in different verses of the Quran: 

“O Children of Adam! Put on your adornment on every occasion of prayer … Say, ‘Who has forbidden the adornment of Allah which He has brought forth for His servants, and the good things of [His] provision?’” (7:31-32)

What Can We Find in the Quran about Art?

Creativity is a blessing with which Allah (SWT) has provided human beings (not to mention all the artistic creations of other creatures). And therefore, human beings have always created new things using their creativity, the effect of which is evident in the history and the Quran, e.g., in building houses, castles, making clothes, or designing jewelry, etc.

 However, the Quran does not admire all types of art. For example, making sculptures or figures to worship and as idols are considered to be negative. For instance, Prophet Abraham (PBUH), facing his people who were worshiping lifeless and dumb idols, addresses his father and says: “What are these images to which you keep on clinging?” (21: 52)

While in another Surah of the Quran, making statues and sculptures and other pieces of art so far as they are useful for human beings are referred to as positive and admirable. An example is when The Jinn built those pieces of art under the observation of Prophet Solomon (PBUH): “They built for him as many temples as he wished, and figures, basins like cisterns, and caldrons fixed [in the ground] …” (34:13).

Besides, the main ruling on doing artworks can be derived from a Surah in the Quran called Surah Al-Shu’araa’ which means Poets. 

In this Surah Allah (SWT) clearly describes the essence of forbidden (Haram) and allowed (Halal) art with a direct mention of poetry which was popular in Prophet (PBUH&HP)’s time:

 “As for the poets, [only] the perverse follow them. Have you not regarded that they rove in every valley and that they say what they do not do? Barring those who have faith, do righteous deeds, and remember Allah much often, and vindicate themselves after they have been wronged. And the wrongdoers will soon know at what goal they will end up.” (26: 224-7)

In these verses, Allah (SWT) states that only perverse people would follow and admire the poets. And in describing the poets, it is mentioned that “they rove in every valley,” meaning that they make up things from their imagination. At the time of the Prophet (PBUH&HP), ‘most poetries were about the beauty of women, adultery, and pervert behaviors.’ However, Allah (SWT) does not forbid poetry completely; rather, He ‘makes the exception of faithful poets’ in the next verse. ‘Those who use their art as a tool to defend justice and to reveal oppression and injustice.’ [2]

How Do I Know My Drawings in Islam Are Forbidden (Haram) or Allowed (Halal)?

From the above verses of the Quran, we can conclude that any form of art or any other tool is allowed (Halal) provided that they are used in the way of Allah, and if used in the way of Satan, they are considered to be forbidden (Haram). Therefore, it is of utmost importance to be familiar with the Islamic jurisprudence to distinguish the right from wrong from an Islamic viewpoint.

Another point that needs to be considered about different forms of art and drawing is that they should not go against the Islamic jurisprudence. Including erotic pictures or scenes in drawings or illustrations is one example of what makes this form of art forbidden. Therefore, as long as the drawing or making sculptures do not have any adverse harm for human soul and improvement, the ruling is as follows: “There is no harm at all in the sculpture, photography, and drawings of living beings whether or not they have a soul. Also, it is permissible to sell, buy, or keep pictures and statues. There is no objection to showing them in an exhibition as well” [3].

References: 

1. Al-Kafi. Vol. 6, p. 438
2. Tafseer-e Noor, Qara’ati, M. Vol. 6, p. 381
3. Painting and sculpture