Maintaining a balanced intake of different types of fats is essential for good health. Fatty acids are broadly categorized based on their chemical structure, including $n$-6 and $n$-3 (omega-6 and omega-3) polyunsaturated fatty acids.
The ratio between $n$-6 and $n$-3 fatty acids in the diet significantly impacts health. While both are essential, an imbalanced ratio, typically too high in $n$-6 relative to $n$-3, is associated with increased inflammation and chronic disease risk.
Nutritional science suggests that a lower $n$-6/$n$-3 ratio is generally healthier. The ideal ratio for optimal health is considered to be within the range of:
However, considering common dietary patterns and broader recommendations that still promote health benefits, a slightly wider range is often cited. Among the given options, the range that best reflects a desirable balance supportive of good health, aiming to reduce the typical Western diet's excessive $n$-6 intake, is:
This range indicates a preference for lower proportions of $n$-6 fatty acids compared to $n$-3 fatty acids, promoting anti-inflammatory effects and overall well-being.
| List-I (Terms) | List-II (Explanations) |
| A. Biohazards | I. Single celled living organism |
| B. Bacteria | II. Most lethal ultra microscopic inert infectious agents |
| C. Viruses | III. Organisms which live in or on another living organisms |
| D. Parasites | IV. Hazards related to disease in plants, animals and humans |