Sitemap
Press enter or click to view image in full size

Food Addiction 2/2

8 min readJun 23, 2025

--

Can Foods Really be Addictive?

At first glance, it seems a stretch to think that foods can be addicting. They’re all natural! However, this logic does not hold. Almost all addictive substances are derived from natural ingredients. Alcohol is fermented from barley, grains, potatoes etc. Nicotine is derived from tobacco plants. Marijuana is derived from the Cannabis plant. Opium and its narcotic derivatives morphine and heroin are derived from poppies. But they can all be processed into addictive substances.

Through processing, the addicting substance (alcohol, nicotine, cannabis) is concentrated to an unnatural degree and usually enhanced with other chemicals (sugar with alcohol or menthol with nicotine). The same holds true for foods, too. A natural food is not particularly addictive, but through ultra-processing, ingredients are concentrated, speed of absorption can be tweaked, and additives enhance the rewarding experience. If you can create a very quick, high dopamine ‘hit’, it is potentially addictive.

Creating addictive substances is straightforward. Super-size the dose of sugar and refined…

--

--

Dr. Jason Fung
Dr. Jason Fung

Written by Dr. Jason Fung

Nephrologist. New York Times best selling author. Interest in type 2 diabetes reversal and intermittent fasting. Founder www.TheFastingMethod.com.

Responses (7)