The Food Environment and addiction

Main message

The presentation argues that the modern food environment plays a major role in obesity and type 2 diabetes. It focuses particularly on the widespread availability, affordability, advertising and highly palatable nature of ultra-processed foods, suggesting that these foods can encourage cravings and addictive eating behaviours rather than the problem simply being a lack of willpower.

Evidence it uses

The presentation highlights the scale of the modern food environment, including the much greater spending on junk-food advertising compared with government promotion of healthy eating. It also states that ultra-processed foods account for around 57% of total energy intake and 65% of free-sugar intake in the UK, and describes them as convenient, highly palatable and inexpensive to produce.

It uses examples from research and media reporting to illustrate how consuming ultra-processed foods may increase cravings and food consumption. One example cited in the presentation reports a 6.5 kg weight increase after four weeks of eating an ultra-processed diet.

Food addiction

A major theme is the comparison between the food industry and the tobacco industry. The presentation argues that the tobacco industry historically denied the addictive nature of nicotine and suggests that lessons from the tobacco industry’s business model have been applied to processed food. It presents the “Five A’s” as Addictive, Advertised, Age targeted, Available and Affordable.

The presentation then focuses on the idea that addiction is particularly associated with processed carbohydrates and sugar. It cites food-addiction experts who argue that sugar can have psychoactive and addictive properties for some people.

Addiction and obesity

The presentation links food addiction with increasing BMI and highlights associations with poorer mental health and quality of life among adolescents experiencing food addiction. It also points out that food addiction is not formally recognised in the same way as addictions such as gambling or alcohol, which it argues limits awareness and available support.

Practical message

The presentation finishes with a simple “Rules of 3” approach:

3 foods to avoid:

• Seed oils / spreads
• Refined grains
• Sugar

3 foods to eat:

• Meat and fish
• Eggs
• Fresh vegetables

The overall message is that improving health may depend on reducing exposure to processed and potentially addictive foods rather than simply trying to eat less.

Overall takeaway

In short, the presentation argues that obesity and type 2 diabetes should be viewed partly through the lens of the modern food environment and processed-food addiction. It suggests that highly processed, sugary and refined-carbohydrate foods are deliberately made attractive, readily available and affordable, potentially making sustained dietary control difficult. Its proposed solution is to move away from these foods and towards simpler foods such as meat, fish, eggs and fresh vegetables. The presentation is primarily an advocacy presentation supporting the food-addiction/processed-food perspective, rather than a neutral review of the competing scientific evidence.