Imagine a worker in a full hazmat suit that's sealed from head to toe, breathing through a respirator, and goggles worn airtight.
They're handling a substance so irritating that a single spill can cause searing eye pain and breathing difficulties for anyone in the room.
This industrial-grade irritant happens to be something that millions of folks around the world deliberately seek out every day, enjoying the pain it brings.
That substance – capsaicin – is a natural chemical that gives chili peppers their bite.
While capsaicin is powerful enough to be the active ingredient in pepper spray to keep bears away, it's a whole different story when it's on your plate.
In fact, science suggests that in culinary doses, capsaicin is linked to a bevy of potential health benefits and longevity...
The Incredible Health Benefits of Capsaicin
When it comes to slashing health risks, daily spice seekers might have the edge over those who can't take the heat...
A 2024 study followed 486,335 Chinese adults for about 12 years to examine spicy-food consumption in relation to long-term health outcomes. Participants were grouped by how often they ate spicy foods, ranging from less than once a week to nearly daily.
As it turns out, the participants who ate spicy food more frequently had a lower risk of vascular diseases – conditions that affect your heart and blood vessels.
Previous studies attest to capsaicin's cardiovascular benefits, which include capsaicin's ability to help...
- Scrub away cholesterol by helping the body manage levels of cholesterol and bile acids more effectively
- Relax blood vessels by activating a special signal called TRPV1 (more on this later) that helps your blood vessels stay open
- Fight oxidative stress by reducing levels of malondialdehyde (a marker of oxidative stress) and boosting levels of an important antioxidant enzyme called superoxide dismutase
Similarly, a large analysis of international studies, altogether involving more than half a million people, found that spice seekers tend to enjoy longer lives...
Presented at a 2020 American Heart Association conference, the analysis involved more than 570,000 participants across the U.S., China, Iran, and Italy.
As it turns out, the folks who regularly ate chili peppers were linked to roughly...
- A 25% lower risk of dying prematurely from any cause
- A 26% lower risk of dying from heart disease
- A 23% lower risk of dying from cancer
But that's not all... Subjecting your taste buds to all that spice could be a powerful way to help improve your gut and blood-sugar control...
Previous studies have shown that spicy food lovers tend to have a lower risk of diabetes. One study published earlier this month in iScience revealed possible ways that dietary capsaicin can help reduce the risk of Type 2 diabetes.
Using mice that were given capsaicin as part of their diet, scientists found that capsaicin improved gut health, like boosting levels of beneficial bacteria like Lactobacillus. It also helped trim back too-high levels of bile acids, chemicals made by your liver to help digest fats and regulate insulin for processing sugar. And capsaicin also reduced gut inflammation.
To get the health and longevity boosts without the "hazmat" side effects, you don't need to be a daredevil. My advice is to aim for frequency, not intensity – like adding some spice to your dishes.
Of course, some folks with heartburn, acid reflux, or sensitive stomachs may find spicy foods worsen their symptoms. So if you have any of these conditions, it's best to limit the spice or talk to your doctor about what's safe for you.
Personally, I like using cayenne pepper in curries and soups, red pepper flakes in my chili, and jalapenos on sandwiches. Stick to simple ingredients, please – those "Flamin' Hot Cheetos" don't count. Instead, go for less processed options like fresh peppers, dried flakes, or hot sauces.
P.S. It's twice as common as diabetes or cancer. In fact, it's the No. 3 most common chronic physical condition in the U.S...
That's hearing loss, which plagues more than half of older Americans. And as it turns out, your ears matter far more than you might realize... because they're connected to your overall health. Get the details in my recent issue of Retirement Millionaire. Or grab a trial subscription.
What We're Reading...
- Did you miss it? Here's how the capsaicin heat cools you down.
- Something different: Three types of chilies you can grow almost anywhere.
Here's to our health, wealth, and a great retirement,
Dr. David Eifrig and the Health & Wealth Bulletin Research Team
April 28, 2026