Concept and stages of clinical trials, phase 1, phase 2, and phase 3 clinical trials

👁 Can Onion Juice Lower Blood Pressure? Why Clinical Trials Matter

Many people turn to folk remedies like onion juice to manage conditions like hypertension.
But before trusting such claims, it’s essential to understand the importance of clinical trials —
the gold standard for verifying a treatment's effectiveness and safety.

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✅ What Is a Clinical Trial?

‘Clinical’ comes from “bedside” — trials conducted on human patients to evaluate new treatments.
They ensure safety and efficacy before public use.

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✅ Phases of Clinical Trials

PhasePurpose

Preclinical	Test on animals for safety & dosing
Phase 1	Test on healthy humans (safety/dosage)
Phase 2	Test on patients (efficacy & side effects)
Phase 3	Large-scale trials vs existing treatments
Phase 4	Post-marketing monitoring (long-term risks)

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✅ Why Folk Remedies Can Be Risky

AspectFolk RemedyClinical Drug

Scientific proof	Lacks evidence	Scientifically validated
Safety	Unknown risks	Tested side effects
Generalizability	Case-specific	Statistically significant

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✅ Key Takeaway

• Not all folk remedies are wrong — many modern drugs originated from them
• But clinical trials are essential to avoid overgeneralization and harm
• Approach folk remedies with cautious skepticism
  → Don’t skip proven medicine for unverified alternatives

 

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🖼 썸네일 문구 제안

✅ 한글 썸네일 문구
“양파즙으로 혈압이 낮아진다고?”
(민간요법과 임상시험의 과학적 차이 이해하기)

✅ 영문 썸네일 문구
“Can Onion Juice Lower Blood Pressure?”
(Folk Remedies vs Clinical Trials Explained)