Key result
A high carbohydrate meal increased heart rate and sympathetic nervous system activity in healthy young subjects, whereas a high fat meal had no significant cardiovascular or neuroendocrine effects.
Why the study?
Does a high carbohydrate meal compared to a high fat meal alter blood pressure, heart rate, and neuroendocrine responses in healthy young subjects?
Population
9 healthy young volunteers
Comparison
High carbohydrate meal vs High fat meal of equivalent energy value
Design
Other
Follow-up
90 min postprandial
Authors
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High-carbohydrate meals raise heart rate without blood pressure changes; extends evidence on macronutrient-specific postprandial autonomic effects.
Does a high carbohydrate meal compared to a high fat meal alter blood pressure, heart rate, and neuroendocrine responses in healthy young subjects?
In healthy young subjects, a high carbohydrate meal increases heart rate and sympathetic nervous system activity to maintain postprandial blood pressure, unlike a high fat meal.
Heseltine et al. (1990) studied Healthy (n=9). High carbohydrate meal vs. High fat meal was evaluated on Blood pressure, heart rate, autonomic function and plasma insulin responses. A high carbohydrate meal increased heart rate and sympathetic nervous system activity in healthy young subjects, whereas a high fat meal had no significant cardiovascular or neuroendocrine effects.
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