What Is The Topic Of Religion?
Al-A’raf – 7:31 Arabic يَٰبَنِىٓ ءَادَمَ خُذُواْ زِينَتَكُمۡ عِندَ كُلِّ مَسۡجِدٍ وَكُلُواْ وَٱشۡرَبُواْ وَلَا تُسۡرِفُوٓا۟ۚ إِنَّهُۥ لَا يُحِبُّ ٱلۡمُسۡرِفِينَ Eating pork does not constitute as killing oneself. And I do not see how eating junk food is a waste of resources.
Check out this link for port related health concerns https://www.healthline.com/nutrition/is-pork-bad
Human beings are a complex of both Physical Being and a Spiritual Being. Both these domains and their purity affect each other. That is why Both Dietary And Bodily purity are required in addition to Ethical Purity.