Our ancient sweet tooth, once a survival asset, now undermines our health in a world awash with sugar. Once upon a time, honey was a rare delight, and we were always on the move. Now, with sugar readily available and our lifestyles more sedentary, the risk to health rises dramatically. But what exactly does sugar do to our bodies?

As soon as sweetness graces the tongue, our brains spring into action. Dawn Menning, a registered dietitian, explains that sugar triggers a reward system, releasing dopamine. This chemical rush makes sugar irresistible, though its effects are not uniform across everyone. Genetic research reveals that around 30% of how we perceive sweetness is inherited, adding a twist to our sugar love story.

The real mischief begins post-tasting. Glucose, from sugary treats and carbs, spurs the pancreas to release insulin, clearing the bloodstream and storing energy in muscles or as fat. Fructose, found in fruits, bypasses this step, heading straight to the liver. When overconsumed, both sugars elevate triglycerides, upping the risk of heart disease and other conditions.

Repeated insulin peaks can fan the flames of inflammation, warns Sarah Berry of King’s College London. While some inflammation is normal, excessive levels are problematic. The legendary "sugar rush," however, is debunked. Studies going back decades show sugar doesn't impact children's behavior or mood, challenging long-held beliefs.

Instead, the real issue is the energy slump after an insulin peak. Research indicates that such dips can increase hunger, leading to higher calorie intake later. Timing is everything. Eating sugar earlier in the day aligns with our body's natural rhythm, reducing negative impacts. Pairing sweets with proteins or healthy fats can also blunt sugar's blow.

But what about sugar substitutes? They may not be the loophole you imagined. Berry notes that some sweeteners might affect gut health or even morph into fructose within the body. Until more research is in, use them with caution and stick to natural sugars in moderation.

And the statistics speak volumes: 84% of people indulge in sugary snacks daily, often more than once. While it's wise to cut back, complete elimination isn't necessary. Enjoy sugar judiciously, ideally earlier in the day and with other nutrients to balance its effects.

Key Takeaways

• Sugar is a sweet seduction with potential health costs if mismanaged.

• Morning meals are ideal for sugar intake—manage portions wisely!

• Caution with sugar substitutes; they're no magic fix!

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Any manufactured food containing sugar knocks the total s**t out of me

On 1/13/2026 at 1:09 PM, CharlieH said:

Pairing sweets with proteins or healthy fats can also blunt sugar's blow.

No.

Mixing carbs and fats leads to weight gain because the body uses the carbs for fuel and stores the fats.

On 1/13/2026 at 1:09 PM, CharlieH said:

Fructose, found in fruits, bypasses this step, heading straight to the liver. When overconsumed, both sugars elevate triglycerides, upping the risk of heart disease and other conditions.

I think our ancestors only had access to certain fruits seasonally, not access to unlimited fruit all year round.

I starting easing up on the fruit.

Although Thais in a tropical country maybe had access to fruit all year round historically, so maybe their bodies tolerate all that fructose better than mine.

Might want to check your liver for fatty liver if you eat a lot of fruit. Fructose has to be processed by the liver.

Arnold Schwarzenegger referred to white processed sugar as white death.

I avoid all sugar, or at least as much as possible.

I don't eat processed foods, avoid almost all carbs (keeping the level below 50g a day), except for leafy greens, which I eat daily.) I'm sure I ingest 'some' sugar as I do eat in restaurants, but avoid it completely otherwise.
It took me a long time to realize just how badly sugar was negatively affecting my body, and wheat products even more so. It took me less time to learn about the foods that I buy in the markets.

Eating fruit daily is eating LOTS of sugar. This one is hard to deal with in Thailand.

'Protein Bars' and 'Health Bars' aren't healthy. Yes, they contain some protein, but they also contain a LOT of sugar and wheat products. They may not call it 'sugar.' It might be labeled as:
High-fructose corn syrup (HFCS)

Maltodextrin

Corn syrup

Malt syrup

Maple syrup

Fruit juice concentrate

Sorbitol

Sucralose

...they are all sugars, none of which are healthy foods when eaten daily.

Do NOT believe me. Do not believe anyone about sugar and wheat.

Try for yourself and experience the difference for a week. That's all it takes to feel the difference yourself. Cut out sugar and wheat products and see for yourself how much of a change it makes.