Food Addiction: Signs, Causes and How to Stop Overeating

By the NuLife Team · Reviewed by a certified specialist · Last updated November 2026

What Is Food Addiction?

Food addiction isn’t an official diagnosis yet, but researchers measure it with the Yale Food Addiction Scale, which uses the same signs doctors look for in other addictions: strong cravings, losing control, and carrying on despite the harm.

It’s rarely about broccoli. The foods involved are almost always ultra-processed ones that mix refined carbs, sugar, fat and salt, like chips, cookies, ice cream, pastries and fast food. These foods hit the brain’s reward system harder than whole foods do.

Signs of Food Addiction

You might be dealing with food addiction if several of these sound familiar:

• You eat much more than you planned once you start
• You think about certain foods a lot, even when you’re not hungry
• You’ve tried to cut back many times and couldn’t
• You eat to cope with stress, boredom, sadness or a long day
• You feel irritable, anxious or restless when you skip the foods you crave
• You eat in secret or feel guilty afterward
• You keep eating even when it affects your health, sleep or mood

Is Sugar Addiction Real?

Sugar addiction is one of the most searched questions about food and cravings. The honest answer: in animal studies, sugar can produce addiction-like behaviour, but in people the evidence is mixed. A 2016 review in the European Journal of Nutrition found little proof that sugar on its own is addictive in humans. (Westwater et al., 2016)

What researchers agree on is that sugar combined with fat and refined carbs, the mix found in most snack foods, is very hard to stop eating. A 2023 analysis in the BMJ found that about 14% of adults and 12% of children show signs of addiction to these ultra-processed foods, a rate close to alcohol. (Gearhardt et al., 2023)

So whether you call it sugar addiction or food addiction, the cravings are real, and they are not a character flaw.

Why Food Addiction Happens

• The reward system. Highly processed foods trigger a rush of dopamine, the brain’s “feel good” signal. Over time you need more to get the same feeling.
• Stress. Stress raises cortisol, which drives cravings for comfort food.
• Strict dieting. Cutting too hard leads to hunger, then a rebound of overeating. Then guilt, then another strict diet.
• Poor sleep. Short sleep increases hunger and cravings the next day.
• Habit and triggers. The couch and the TV, the drive home, the kids’ snacks in the cupboard. Your brain learns the routine.

If stress is a big part of it, read about our stress and anxiety program.

Food Addiction vs Binge Eating Disorder

They overlap, but they are not the same. Binge eating disorder is a diagnosed eating disorder: regularly eating a very large amount of food in a short time, feeling out of control, and feeling distress, shame or guilt afterward, without purging. Food addiction is about cravings and loss of control around certain foods, and many people with it don’t binge.

How to Stop Overeating: 8 Steps That Help

• Eat regular meals. Skipping meals sets up the evening overeat.
• Start with protein and fibre. Eggs, beans, vegetables and whole grains keep you full longer.
• Keep trigger foods out of the house. It’s easier to say no once at the store than 20 times at home.
• Wait 10 minutes. Most cravings rise and fall like a wave. Drink water, go for a short walk, then decide.
• Eat without screens. You eat more when you’re not paying attention.
• Find another way to handle stress. A walk, a call with a friend, breathing, a shower. Anything that isn’t food.
• Protect your sleep. Aim for 7 to 9 hours.
• Drop all-or-nothing thinking. One cookie isn’t a failure. Get back on track at the next meal.

For more practical tips, read How to Stop Cravings and Emotional Eating: 7 Things That Actually Help.

How NuLife Helps With Cravings and Overeating

At NuLife we combine traditional acupuncture technique with low-level laser therapy (photobiomodulation). A painless low-level laser is applied to specific points, with no needles and no drugs. It’s used to help reduce cravings and support appetite control, together with one-on-one counselling to deal with stress eating and the habits behind it. The low-level laser device we use is FDA cleared and Health Canada approved.

1. Initial assessment. Your eating habits, triggers and goals.
2. Your personal plan. Low-level laser therapy to help reduce cravings, plus one-on-one counselling.
3. Nutrition and activity. Simple guidance that fits your life. No strict diet.
4. Maintenance. Ongoing support to help the change last.

Learn more about our weight loss clinic in Toronto & the GTA, or read Does Acupuncture Help You Lose Weight? for the research. Results vary from person to person.

NuLife vs Willpower vs Diet Pills

Frequently Asked Questions

Is food addiction real?

It isn’t an official diagnosis yet, but researchers measure it with the Yale Food Addiction Scale, and large studies show about 1 in 7 adults has signs of it. The cravings and loss of control are real.

Is sugar addiction real?

Sugar alone isn’t proven to be addictive in people, but sugar mixed with fat and refined carbs, as in most snack foods, can be very hard to stop eating.

How do I stop overeating at night?

Eat regular meals during the day so you aren’t starving by evening, include protein at dinner, keep trigger snacks out of the house, and replace the evening routine (like snacking in front of the TV) with something else.

Is food addiction the same as binge eating disorder?

No. Binge eating disorder is a diagnosed eating disorder and needs care from a doctor or eating disorder specialist. If you think you may have it, talk to your doctor or contact NEDIC at 1-866-633-4220.

Can laser therapy help with food cravings?

Our low-level laser treatment is used to help reduce cravings and support appetite control. It works best together with counselling and simple changes to your eating habits.

Is it covered by insurance?

Most benefit plans cover the program, and everyone is welcome, with or without insurance. 4 interest-free payments are available. Every plan is different, so call us and we’ll go over your coverage on the phone.

Where are your clinics?

We have 6 clinics across the GTA: Toronto, North York, Etobicoke, Vaughan, Woodbridge and Oakville.

Ready to start? Learn about our Laser Weight Loss Program or call 416-363-5433 for a free 15-minute phone assessment.