Why are omega-3 fatty acids considered essential in human nutrition?

• A. Omega-3 fatty acids are non-essential and can be synthesized from carbohydrates.
• B. Omega-3 fatty acids are only required during infancy and childhood.
• C. Humans cannot synthesize omega-3 fatty acids and must obtain them from their diet.
• D. Omega-3 fatty acids are synthesized in the human body from omega-6 fatty acids.

Answer: (C)