Which statement about texture-modified diets is correct?

• A. Thicker liquids can reduce aspiration risk but may increase residue and reduce intake
• B. Texture modifications always improve safety with no trade-offs
• C. Texture modifications have no effect on swallowing efficiency
• D. Only solids are modified; liquids remain unchanged

Answer: (C)

Texture-modified diets change how thick and cohesive a bolus is, which directly alters swallowing safety and efficiency. Increasing liquid viscosity slows bolus flow and gives more control as it travels through the pharynx, which helps prevent material from entering the airway during swallow and lowers aspiration risk in individuals with impaired airway protection.

But that safety benefit comes with trade-offs. Thicker liquids tend to leave more residue in the throat after swallowing, which can require additional swallows or coughing and can reduce overall intake due to taste, mouthfeel, or appetite. The same idea applies to solids—altering texture can improve bolus control and safety, yet may hinder complete clearance and affect enjoyment or tolerance. So thicker liquids can reduce aspiration risk while increasing residue and potentially reducing intake, illustrating the trade-offs clinicians weigh in texture-modified diets.