Garlic and the Body
I Am LegendThis flow follows Robert Neville’s effort to understand why garlic repels infected people and why chemical substitution fails.
increasing
Bearing strength in each event
decreasing
Chemical Reading

Searching the Clove
Textual Clues
Robert Neville studies garlic’s composition and focuses on allyl sulphide as its active element.
Experimental Hope
He prepares a chemical solution and injects it into an infected woman.
Failure
Nothing happens, teaching him that the relevant effect is not a simple internal poison.
Cross Comparison

A Religious Test
New Experiment
Robert Neville places a cross before an infected woman and observes immediate terror.
Limits
The reaction suggests that belief and psychology matter more than a universal physical property.
Ethical Cost
His investigation becomes increasingly coercive and morally compromised.
Allergic Mechanism

Garlic as Allergen
Explanation
Robert Neville concludes that garlic triggers an abnormal tissue reaction in infected systems.
Ruth’s Test
Ruth’s vomiting confirms infection but leaves room for exhaustion and ambiguity.
Interpretive Shift
The old supernatural aversion becomes a physiological sensitivity with psychological consequences.
1976年3月
the following morning
1978年6月