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Essential Amino Acids: Unlocking the Building Blocks of Life

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  Published in Science and Technology on Tuesday, December 9th 2025 at 3:03 GMT by moneycontrol.com

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Krish Ashok Highlights the Six Scientific Breakthroughs That Changed Human Destiny

In a recent MoneyControl piece, celebrated nutritionist‑food scientist Krish Ashok takes readers on a journey through the history of science to show how six pivotal discoveries have saved, sustained, and improved human life. While the article is framed around food and nutrition, Ashok’s insights echo across the entire spectrum of medical, agricultural, and ecological research. Below is a detailed recap of his main points—complete with extra context from the links and supplementary articles MoneyControl references.

1. The Identification of Essential Amino Acids

Ashok opens with the discovery of essential amino acids, a milestone that fundamentally altered how we view protein. The research, spearheaded by scientists such as Dorothy Hodgkin and the team at the National Institute of Health in the 1930s, revealed that nine amino acids could not be synthesized by the body and had to be supplied by food.

• Why it mattered: Prior to this, malnutrition and growth stunting were rampant, especially in low‑income regions. By pinpointing the exact building blocks required for cellular function, nutritionists could craft balanced diets that prevented diseases like kwashiorkor and marasmus.
• Link‑back context: MoneyControl’s linked article “Protein: The building block of life” expands on how amino acids are used in hormone production, enzyme function, and immune defense, offering a deeper biochemical explanation for readers new to the topic.

2. The Discovery of Vitamins and Their Role in Health

The next breakthrough Ashok highlights is the identification of vitamins—small organic molecules essential for metabolic regulation. The work of Casimir Funk (the “father of vitamins”) and later research on vitamins A, C, D, and K underscored how deficiencies lead to debilitating conditions.

• Vitamin D & rickets: The 1940s research linking UVB exposure to bone health changed how we view sunlight as a nutrient.
• Vitamin C & scurvy: In the 18th century, Sir James Lind’s trials with citrus fruits saved sailors from scurvy—a reminder that food can be medicine.
• Link‑back context: The MoneyControl page on “Vitamin D deficiency in India” cites recent WHO data, showing that despite abundant sunshine, modern lifestyles have pushed vitamin‑D deficiency into a global epidemic.

3. Penicillin: The First Broad‑Spectrum Antibiotic

Ashok emphasizes the transformative effect of Alexander Fleming’s accidental discovery of penicillin in 1928. Though the article primarily frames this as a medical breakthrough, the author ties it back to food science by noting how antibiotic‑resistant bacterial infections now threaten food safety and animal husbandry.

• Why it mattered: Penicillin saved millions of lives during World II and laid the groundwork for the antibiotic revolution, reducing the mortality of bacterial infections from tuberculosis, typhoid, and pneumonia.
• Link‑back context: MoneyControl links to a detailed piece titled “The rise of antibiotic resistance in India.” The article outlines how over‑use in livestock can lead to resistant strains, underscoring the need for better hygiene practices in food production.

4. Insulin Therapy: The Turning Point for Diabetes

Insulin is presented as a personal narrative: the discovery of a hormone that regulates blood sugar dramatically changed the trajectory of people living with diabetes. The article credits Frederick Banting and Charles Best for isolating insulin in 1921.

• Impact: Before insulin, diabetes was a death sentence. Today, with improved formulations and delivery systems (e.g., smart pumps, wearable patches), patients can lead near‑normal lives.
• Link‑back context: The MoneyControl link “Managing diabetes in the modern age” offers practical advice on diet, medication, and monitoring—showing how nutrition remains central even with advanced pharmaceuticals.

5. The Smallpox Vaccine: Eradication of a Global Killer

Ashok recounts the history of the smallpox vaccine, pioneered by Edward Jenner in 1796, which ultimately led to global eradication in 1980. He uses this example to illustrate the power of preventive science and vaccination.

• Why it mattered: Smallpox claimed more lives than all other known diseases combined. Its eradication freed billions from a lifetime of suffering.
• Link‑back context: MoneyControl’s article “History of vaccines in India” highlights how smallpox eradication contributed to the establishment of robust immunization programs in the country, creating a framework that later tackled polio, measles, and COVID‑19.

6. Modern Vaccines (Polio, COVID‑19, and Beyond)

The final breakthrough is a nod to the rapid development and deployment of modern vaccines, especially the COVID‑19 mRNA vaccines. Ashok underscores how breakthroughs in molecular biology, genomics, and delivery platforms (lipid nanoparticles) have ushered in a new era of disease prevention.

• Broader significance: These vaccines are not just medical achievements; they also have agricultural and food‑security implications. For example, vaccinating livestock against Rift Valley Fever helps stabilize food supply chains in Africa.
• Link‑back context: The MoneyControl link “The science of COVID‑19 vaccines” delves into how mRNA vaccines work, their clinical trial phases, and their global distribution strategies, offering readers a granular view of the science behind the headlines.

The Takeaway

Krish Ashok’s narrative is more than a retrospective; it is a call to recognize that food and nutrition sit at the core of many life‑saving breakthroughs. From identifying the indispensable building blocks of protein to the development of life‑saving drugs and vaccines, the intersection of diet, science, and public health is unmistakable.

By weaving together historical milestones with current scientific advancements—and anchoring each point with practical, real‑world context through MoneyControl’s supplementary links—Ashok demonstrates that the food we eat and the science we invest in go hand‑in‑hand in shaping humanity’s destiny.