Holy Guacamole! The Truth About Avocados (and Why Your Heart Might Thank You)
Andrew Siegel MD, 5/3/2025, with a respectful hat tip to Caroline Hopkins of The New York Times
In celebration of the upcoming Cinco de Mayo, let’s talk about a fruit that’s smooth, green, and probably has more Instagram followers than your cousin’s side hustle: the avocado. Whether it’s perched atop a piece of sourdough toast or starring in your Sunday guac bowl, avocados have earned a spot on the “cool food” list. But are they as healthy as they are trendy?
Short answer: Yup. Longer answer: Let’s break it down (preferably with lime and a dash of sea salt).
Not Your Average Fruit Salad Ingredient
“Avocados are no regular fruits,” says Dr. Frank Hu, a nutrition expert from Harvard. Translation? They’re the rebel fruit of the produce world—low in carbs, high in good fats, and packed with fiber. Think of them as the leather-jacket-wearing, fiber-toting, heart-loving fruit your diet didn’t know it needed.
Your Heart’s Favorite Green Blob
Elizabeth Klingbeil, Ph.D., RD (aka the person you’d want sitting next to you at a salad bar), says most of the fat in avocados is the good kind: monounsaturated. That’s in contrast to the bad kind (saturated fats), which can clog up your arteries like a traffic jam of bacon and cheese.
Avocados = Smooth traffic for your blood vessels.
Bacon double cheeseburgers = Not so much.
In fact, one big study (we’re talking 110,000 people over 30 years—that’s a lot of data and definitely more commitment than your last attempt at Dry January) showed that eating two servings of avocado a week can lower your risk of heart disease by 21%. That’s the kind of math I can get behind.
Now, let’s be honest. Was it the avocado doing all the heavy lifting, or was it because people were swapping in avocado instead of slathering mayo on everything? The researchers aren’t 100% sure. But whether it’s the avocado or the fact that avocado-lovers are more likely to make other healthy choices, we’ll still take that guac-covered win.
Gut Feeling: Avocados Have Your Back(side)
Fiber: It’s not glamorous, but it keeps things moving (if you know what I mean). And most of us aren’t getting nearly enough. Enter: the avocado. One whole fruit delivers about 10 grams of fiber—roughly a third of your daily goal.
And this fiber isn’t just about digestion. It helps your gut bacteria produce postbiotics, which are like little molecular love notes that keep your whole body happy. Also, they help tell your brain, “Hey, we’re full!”—which is useful when you’re staring down a third helping of nachos.
Skin, Sight, and… Potassium?
Turns out avocados aren’t just pretty on the outside. They’re full of vitamin E (glowy skin alert!), lutein (good for your eyeballs), and potassium. Fun fact: avocados beat bananas in the potassium department. Take that, potassium-peeling primates!
Potassium helps lower blood pressure, and high blood pressure is a sneaky villain in heart disease, stroke, and more. So yes, adding avocado to your plate might also add years to your life.
So, How Should You Eat These Things?
Honestly? However you want—as long as it doesn’t involve deep frying or dipping them in chocolate syrup (yes, that’s a real thing on the internet).
Some delicious ideas:
Mashed on toast with chili flakes and a fried egg
Diced in a salad or grain bowl
Blended into a smoothie (trust me—it makes it creamy)
Sliced into a taco or wrapped in sushi
Or just the classic: sprinkled with salt and eaten with a spoon like nature’s green pudding
The bottom line? No single food is a magic bullet, but avocados can absolutely be part of a heart-healthy, gut-happy, skin-glowy diet. So go ahead—scoop it, slice it, smash it. Your body (and your brunch guests) will thank you.
In Summary:
Avocados: 10/10, highly recommended.
Heart-healthy fats? Check.
Gut-loving fiber? Check.
Micronutrients for the win? Check.
Excuse to eat guacamole every Tuesday? Also check.
Great avocado recipes from the NY Times Cooking.
Wishing you the best of health and a happy Cinco de Mayo,
A new blog is posted weekly. To receive a free subscription with delivery to your email inbox visit the following link and click on “email subscription”: www.HealthDoc13.com
Dr. Andrew Siegel is a physician and urological surgeon who is board-certified in urology as well as in female pelvic medicine and reconstructive surgery. His mission is to “bridge the gap” between the public and the medical community.
He is an Assistant Clinical Professor in the Department of Urology at Hackensack Meridian School of Medicine and is a Castle Connolly Top Doctor New York Metro Area, Inside Jersey Top Doctor and Inside Jersey Top Doctor for Women’s Health. He is a urologist at New Jersey Urology, a Summit Health Company. He is the co-founder of PelvicRx and Private Gym.
Dr. Siegel is the author of several books. The newly revised second edition (June 2023) of Prostate Cancer 20/20: A Practical Guide to Understanding Management Options for Patients and Their Families is now available in print and Kindle formats on Amazon.
Video trailer for Prostate Cancer 20/20
Preview of Prostate Cancer 20/20
Andrew Siegel MD Amazon author page
Dr. Siegel’s other books:
THE KEGEL FIX: Recharging Female Pelvic, Sexual, and Urinary Health
MALE PELVIC FITNESS: Optimizing Sexual and Urinary Health
PROMISCUOUS EATING: Understanding and Ending Our Self-Destructive Relationship with Food