In a recent video, Dr. London identified four specific foods he believes act as “poison” to the human body, urging his viewers to cut them out entirely to protect their hearts.
Fast food
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Topping the list is fast food, which Dr. Jeremy London dismissively labels an “edible food product” rather than actual sustenance. He notes that these items provide almost zero genuine nutritional value to the consumer.
This warning is backed by research; a 2017 study in the American Journal of Lifestyle Medicine highlights that while fast food is calorie-dense, it is chronically nutrient-poor. The typical menu item is loaded with synthetic additives, corn syrup, and artificial sweeteners, along with excessive salt and dyes—all of which act as a direct hit to long-term health.
Sugary soft drinks
With nearly 400,000 TikTok followers tuning in for his blunt medical advice, Dr. Jeremy London doesn’t mince words when it comes to soft drinks, labeling them “liquid death.” These beverages are essentially sugar-delivery systems that, when consumed regularly, pave a direct path toward obesity and diabetes.
@drjeremylondon 4 foods that I absolutely avoid as a cardiac surgeon #doctor #surgeon #heartdoctor #heartattack #fypツ ♬ original sound – Dr. Jeremy London, MD
Dairy products
Dr. Jeremy London also lists dairy products among the foods he believes can harm the body.
He points out that humans are the only mammals that continue consuming milk beyond infancy and even drink the milk of other species.
Dairy products contain high levels of saturated fat, which has been linked to obesity, diabetes, heart disease, and Alzheimer’s disease.
According to the website of the Physicians Committee for Responsible Medicine, “Studies have also linked dairy to an increased risk of breast, ovarian, and prostate cancers.”
Dr. London advises people to either limit their intake of dairy products or avoid them altogether.
Alcoholic beverages
According to Dr. London, alcohol is “absolutely toxic to every cell in our bodies.
“Even moderate or occasional use is in fact detrimental,” he says. “So if we are working so hard to optimize our health, the least you could do is stop actively poisoning your body.”
Instead, we should focus on diet that is rich in fruits and vegetables, and consume minimally processed foods such as beans and wholegrains.