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An ultrasound pill could help to deliver drugs as effectively as an injection, reducing the need for needles and syringes.
Ultrasound has long been used to speed the transfer of drugs and increase absorption, and is commonly used for delivering protein-based drugs such as insulin, cancer medications, and vaccinations. The idea is to apply the same technique to a pill. The pill would be coated with the desired drug and swallowed, enabling the device to send ultrasonic waves through the patient's stomach to help in the absorption of the medication.