Usha Prabakaran was at home, talking on the phone with a college friend, when she stopped making sense. Her speech scrambled. Her vision blurred. She dropped the receiver and fell to the floor. It was 1998 and Prabakaran, a former lawyer living in Chennai, had just slogged through a decade of research and recipe testing for her comprehensive, single-subject cookbook, Usha’s Pickle Digest. A party was scheduled for the following week.
At the hospital, Prabarakan learned that a rare fungus had lodged itself in the front of her brain. She needed surgery to remove the tumor, and long periods of rest

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