Human civilization has made remarkable progress in science, technology, agriculture, medicine, and communication. There was a time when many countries faced severe scarcity of food grains and feeding the growing population was considered one of the greatest challenges before humanity. Through scientific research, improved agricultural practices, irrigation systems, better seeds, storage technologies, and modern farming methods, food production increased significantly and societies were able to overcome large-scale food shortages.

Today, however, humanity faces another challenge. The issue is no longer only the availability of food, but also the quality, purity, and safety of the food being consumed. Producing enough food alone is not sufficient; maintaining its nutritional value, hygiene, and scientific safety has become equally important for protecting human health and securing the future of coming generations.

Food is meant to nourish the body, strengthen immunity, and support healthy living. Yet an important question arises: is the food we consume daily truly safe and beneficial for our health? The milk we drink, the spices we use, the vegetables we cook, the meat and chicken sold in markets, the oils, bakery products, sweets, packaged foods, and even street food all directly influence human well-being. If these items are adulterated, contaminated, or chemically treated, their harmful effects gradually appear throughout society.

Food adulteration has silently become one of the most serious public health concerns of modern times. Harmful chemicals, artificial colours, synthetic substances, contaminated water, low-quality oils, and preservatives are often added to food products for commercial profit. Vegetables are sometimes exposed to excessive pesticide sprays. Milk products may be diluted or chemically processed. Spices and sweets are occasionally mixed with artificial colouring and impurities. Street food in many places remains exposed to dust, smoke, flies, and environmental........

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