Cocoa Benefits: Shielding Against Stress and Fatty Food Effects, Study Reveals
Research indicates that drinking cocoa or green tea may help counteract the negative effects of fatty foods during stressful situations. Stress often drives people to choose unhealthy, high-fat foods, which can adversely affect heart health.
A recent study shows that consuming cocoa high in flavanols alongside a fatty meal can reduce these negative impacts. Flavanols, found in foods like apples, tea, and cocoa, have benefits for blood pressure and cardiovascular health. Those who frequently indulge in fatty treats may find that a cup of minimally processed cocoa or green tea can improve their well-being.
Dr. Catarina Rendeiro, an assistant professor in nutritional sciences at the University of Birmingham, states that stress leads many to seek out high-fat foods. Her research previously highlighted how fatty foods hinder the body’s recovery from stress.
Dr. Jet Veldhuijzen van Zanten, a professor of biological psychology, notes that stress’s effects on health are well-documented. Small adjustments in diet can help protect against stress symptoms. The university’s earlier work showed high-fat foods could harm blood vessel function and oxygen delivery to the brain, while flavanols can help maintain these functions during stress.
How do flavanols in cocoa compare to other dietary interventions for managing stress-related eating?
Title: How Cocoa and Green Tea Can Mitigate the Effects of Stress-Induced Eating: An Interview with Dr. Catarina Rendeiro and Dr. Jet Veldhuijzen van Zanten
Introduction:
Recent research has shed light on the promising effects of cocoa and green tea in counteracting the adverse health impacts linked to high-fat foods, especially during stressful situations. We spoke with Dr. Catarina Rendeiro, an assistant professor in nutritional sciences at the University of Birmingham, and Dr. Jet Veldhuijzen van Zanten, a professor of biological psychology, to delve deeper into their findings and the implications for heart health.
Interview:
News Directory: Dr. Rendeiro, your research highlights the connection between stress and unhealthy eating. Can you explain how stress influences our food choices?
Dr. Catarina Rendeiro: Stress can lead individuals to seek comfort in high-fat, high-sugar foods. This reaction is often driven by the body’s desire for quick energy or pleasure. In stressful moments, people may neglect healthier options, opting instead for those that can exacerbate health issues, particularly cardiovascular concerns.
News Directory: You mention that previous studies indicate fatty foods hinder the body’s recovery from stress. Can you elaborate on that?
Dr. Catarina Rendeiro: Yes, fatty foods can create a prolonged inflammatory response in the body. This inflammation makes it harder for the body to return to a state of balance after experiencing stress. We found that these foods negatively affect blood vessel function, which is critical for maintaining optimal health during these times.
News Directory: Dr. Veldhuijzen van Zanten, you pointed out that small dietary adjustments could help ameliorate stress symptoms. What did your recent study reveal about the effects of flavanols found in cocoa?
Dr. Jet Veldhuijzen van Zanten: Our study focused on the impact of flavanols, particularly in cocoa, on heart function after consuming a high-fat meal. We observed that participants who consumed high-flavanol cocoa maintained better blood vessel function during stress than those who consumed a low-flavanol drink. This suggests that flavanols can act as a buffer, protecting vascular health when one is under stress.
News Directory: Can you describe the methodology of your study?
Dr. Jet Veldhuijzen van Zanten: Certainly. We had 23 healthy adults participate in a study where they consumed a fatty breakfast along with either a high-flavanol or low-flavanol cocoa drink. Then, while they undertook a challenging mental arithmetic task designed to induce stress, we monitored their physiological responses, including blood flow, heart rate, and oxygen levels. The results showed that fat combined with a low-flavanol drink could impair blood vessel function for an extended period post-stress.
News Directory: Given your findings, how might individuals incorporate cocoa or green tea into their daily routines?
Dr. Catarina Rendeiro: I recommend looking for minimally processed cocoa powder, which retains higher flavanol levels. For those who prefer not to drink cocoa, options like green tea, black tea, or even berries can offer beneficial flavanols as well. These can easily be integrated into meals or enjoyed as snacks, especially during stressful periods when people might typically resort to less healthy food choices.
Conclusion:
As stress continues to be a significant factor in dietary habits that negatively impact health, the insights from Dr. Rendeiro and Dr. Veldhuijzen van Zanten underscore the potential benefits of incorporating cocoa and flavanol-rich foods into our diets. Such simple dietary adjustments may provide the support our bodies need to navigate stress while promoting cardiovascular health.
In the study, 23 healthy adults consumed a fatty breakfast with either a high-flavanol or low-flavanol cocoa drink. While participants completed a challenging mental math test, researchers measured blood flow, heart rate, and oxygen levels. Results indicated that stress raised heart rate and blood pressure. Eating fatty foods with the low-flavanol drink impaired blood vessel function for up to 90 minutes post-stress. In contrast, high-flavanol cocoa drinks prevented this decline in vessel function.
Experts recommend looking for minimally processed cocoa powder in stores. If cocoa isn’t your preference, consider green tea, black tea, or berries for higher flavanol intake. These choices can help you make healthier decisions during stressful periods.