Truth vs. Myth: Breakfast, Wine and Chocolate
Throughout life we receive advice that becomes almost universal truth. Some of these ideas are passed down through generations. Others come from advertising, headlines, or social media.
Don’t wear white after Labor Day. Don’t spit into the wind.
As a child riding in the back seat of a car, I can confirm that one of those is definitely true.
Health advice often works the same way. Some widely accepted ideas turn out to be well supported by science. Others are more complicated.
Three common beliefs about heart health come up frequently in clinic:
• Eating breakfast leads to a longer life
• Drinking wine is good for your heart
• Chocolate protects your cardiovascular system
Let’s separate myth from medicine.
Myth #1: Eating Breakfast Guarantees Better Heart Health
Breakfast has long been promoted as the “most important meal of the day.”
Many observational studies show that people who regularly eat breakfast tend to have better health outcomes. However, interpreting these findings is more complicated than it first appears.
People who consistently eat breakfast often have more structured routines, better sleep patterns, and more predictable schedules. These habits themselves contribute to improved health.
However, newer research suggests the relationship may be more complex than simple lifestyle confounding.
Studies have shown that eating breakfast may improve insulin sensitivity, appetite regulation, and morning blood pressure patterns. Some of these metabolic effects persist even after adjusting for other lifestyle factors.
At the same time, not all studies show that forcing breakfast improves health for everyone. What matters most is maintaining consistent routines, adequate sleep, and overall dietary quality.
What This Means for You
If breakfast fits naturally into your routine, continue. If you occasionally skip breakfast because of work schedules or shift work, focus on sleep consistency and overall diet quality rather than forcing a meal that does not fit your lifestyle.
Myth #2: Wine Is Good for Your Heart
For many years, moderate wine consumption was believed to provide cardiovascular benefits. Observational studies suggested that individuals who drank moderate amounts of alcohol had lower rates of heart disease.
But interpreting those findings is challenging.
People who drink wine moderately often differ from non-drinkers in many ways. They may have higher socioeconomic status, better access to healthcare, healthier diets, and more opportunities for physical activity.
Newer research methods have begun to challenge the idea that alcohol itself is protective.
In January 2025, the American Heart Association released a scientific statement concluding that it remains unknown whether alcohol consumption is part of a healthy lifestyle.
Genetic studies using Mendelian randomization, which are less affected by confounding, have also questioned whether alcohol provides cardiovascular protection.
For these reasons, current cardiovascular guidelines do not recommend starting alcohol consumption for heart health.
What This Means for You
If you do not drink alcohol, there is no medical reason to start. If you already drink, moderation remains the key—typically defined as no more than one drink per day for women and two for men.
Myth #3: Chocolate Protects the Heart
Chocolate often appears in headlines as a “heart healthy” food.
The reason for this interest lies in compounds called flavanols, naturally occurring plant chemicals found in cocoa. These compounds may improve blood vessel function and reduce inflammation.
However, the amount of flavanols used in research studies is much higher than what is typically found in everyday chocolate.
A standard milk chocolate bar contains very little flavanol content. Even high-quality dark chocolate would require consuming 30–50 grams per day to approach the levels used in clinical research—adding roughly 150–250 calories and significant sugar.
One large study, the COSMOS trial, evaluated cocoa extract supplementation and found no significant reduction in total cardiovascular events, although it did show a reduction in cardiovascular death.
So while cocoa research is intriguing, chocolate should still be considered an occasional indulgence rather than a cardiovascular therapy.
What This Means for You
Enjoy chocolate if you like it—but in moderation. Your cardiologist will likely support enjoying chocolate occasionally as part of an overall healthy diet.
What Truly Matters for Heart Health
Modern cardiovascular prevention focuses less on single foods and more on overall lifestyle patterns.
The 2019 ACC/AHA Primary Prevention Guidelines emphasize that promoting a healthy lifestyle across one's lifespan is the most important way to prevent cardiovascular disease.
Key pillars include:
• 7–9 hours of sleep per night
• At least 150 minutes of moderate physical activity weekly
• Mediterranean or DASH-style diets
• Healthy body weight and metabolic health
Lifestyle patterns also reflect broader social factors.
In parts of rural America, including some counties in Oklahoma, life expectancy can fall dramatically due to limited healthcare access, high rates of obesity, and economic barriers to healthy living. Some communities face life expectancy estimates approaching the mid-50s, similar to those reported in developing regions of the world.
Health systems such as Saint Francis are expanding outreach to communities in Muskogee, Bristow, Sapulpa, and McAlester, recognizing that prevention requires improving access to care, education, and resources.
Ultimately, heart health is rarely determined by a single food or habit. It reflects the combination of sleep, activity, nutrition, environment, and medical care over a lifetime.
Dr. Neil Agrawal, MD, FACC
Director of Cardiac CT
Founder, Preventive Cardiology and Metabolic Disease Clinic
Heart & Vascular Institute, Saint Francis Health System
Evidence
1. Rong S et al. Skipping breakfast and cardiovascular mortality. JACC. 2019.
2. Piano MR et al. Alcohol and cardiovascular health. American Heart Association Scientific Statement. 2025.
3. Sesso HD et al. Cocoa extract and multivitamin outcomes study (COSMOS). American Journal of Clinical Nutrition. 2022.
4. Hooper L et al. Flavanols and cardiovascular health. Cochrane Review.
5. Arnett DK et al. 2019 ACC/AHA Guideline on Primary Prevention. Circulation. 2019.
6. Bonnet F et al. Breakfast consumption and cardiometabolic outcomes. Nutrients. 2020.
7. Yu J et al. Breakfast consumption and cardiovascular risk: systematic review. 2023.
8. Liu C et al. Geographic variation in life expectancy in the United States. JAMA Cardiology. 2025.