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Correct answer: They raise LDL and can lower HDL cholesterol. Industrial trans fats worsen the blood-lipid profile by raising LDL cholesterol and often lowering protective HDL cholesterol. They are associated with increased cardiovascular risk, which is why many health authorities recommend eliminating partially hydrogenated oils. Trans fats still provide energy, are not vitamins and do not prevent inflammation; they may promote adverse inflammatory effects.
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Common questions and clear answers for this topic.
The body needs carbohydrates, proteins, fats, vitamins, minerals and water. Dietary fibre also supports digestive and metabolic health. A balanced diet supplies these components in amounts suited to a person’s age, activity and physiological needs.
Competitive exams commonly test nutrient functions and sources, energy values, vitamin and mineral deficiencies, fat-soluble and water-soluble vitamins, balanced diets, and protein-energy malnutrition such as kwashiorkor and marasmus.
Learn each nutrient as a four-part link: its major dietary sources, principal function, characteristic deficiency and important excess effect. This method makes similar options easier to distinguish.
