What is noted regarding scientific studies validating the efficacy of onion water as a definitive measure?

Answer

Scientific studies specifically validating the efficacy of onion water as a cure or definitive preventative measure are scarce.

While anecdotal reports abound regarding the subjective relief experienced by individuals using onion water for cold and flu symptoms, a significant gap exists in clinical confirmation. The available information emphasizes that robust, scientific studies designed specifically to prove that onion water functions as a reliable cure or a definitive method of disease prevention are currently lacking or very rare. Despite this, the practice persists because the liquid intake itself is undeniably beneficial for hydration during sickness, alongside providing the inherent, albeit unproven, nutrients from the onion.

What is noted regarding scientific studies validating the efficacy of onion water as a definitive measure?
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