What can you infer from these lines about medical knowledge and practices during Shakespeare time?

From the given lines, it can be inferred that medical knowledge and practices during Shakespeare's time were limited and often influenced by superstition and traditional beliefs. The reference to "old wives' tales" suggests that folk remedies and traditional knowledge played a significant role in medical treatments. The mention of "charms," "spells," and "poisons" indicates a belief in magical and supernatural elements in medicine. The line "Thus hath the candle singed the moth" implies that medical practices were sometimes experimental and could have unintended consequences. Overall, these lines suggest that medical knowledge and practices during Shakespeare's time were diverse, eclectic, and not based solely on scientific understanding.