All articles tagged with #sugar
A UT Austin team reports XJ-4-85, a small molecule that drives cancer cells to burn more sugar while blocking fat metabolism, creating a metabolic trap that slowed melanoma tumors in mice and killed various human cancer cells in vitro; it introduces electrophile-drug conjugates (EDCs) to reach intracellular targets, but human testing is still years away and safety/resistance remain unknown.
An observational study of 64,737 people in the UK, born around World War II sugar rationing, found that those with less sugar exposure before birth and in the first one to two years had a roughly 21–23% lower risk of developing dementia and were diagnosed later by about 2.6 years on average. Brain imaging showed greater gray matter and fewer signs of brain tissue damage in the lower-sugar group. The study shows association, not causation, and further research is needed to understand mechanisms and public health implications.
A large UK study using the end of sugar rationing as a natural experiment found that people born during rationing had lower rates of several cancers later in life and longer leukocyte telomeres—equating to about 2.2 fewer years of biological aging—suggesting early sugar exposure may influence long-term health and eating habits, though the study does not prove sugar directly causes cancer and guidelines still advocate limiting added sugars for young children.
A cardiologist says his No. 1 rule for heart health is to avoid white, refined foods such as sugar, white bread, rice, flour and pasta, and to eat mostly fruits, nuts, proteins and vegetables with water, black coffee, or unsweetened tea. He warns that added sugar and refined carbs raise risks for high blood pressure and heart disease, while dietary guidelines emphasize fiber-rich whole grains and minimally processed foods. Start by filling your plate with colorful, whole foods and cutting back on white starches to improve heart health.
Using Britain’s postwar sugar rationing as a natural experiment, researchers found that lower sugar exposure before age 2 is associated with a lower incidence of several cancers (notably a 69% reduction in liver cancer) and about 2.2 years slower biological aging, as well as healthier, lower-sugar diets in midlife, suggesting early-life sweetness exposure can influence health and taste preferences for decades.
A UK Biobank-based study leveraging the end of post-war sugar rationing finds that individuals exposed to sugar limits in the first 1,000 days of life had lower rates of several cancers (liver, rectal, lung, prostate and breast) in adulthood and longer leukocyte telomeres, implying slower biological aging. The researchers propose two pathways: a lasting biological imprint and enduring healthier dietary habits. Yet the study is observational with limitations (possible biases, non-representative sample) and does not justify extreme sugar restriction; rather, it supports moderating added sugar during pregnancy and early childhood.
A 1940s UK sugar rationing policy limited sugar intake during the first 1,000 days of life. In a UK Biobank study of 64,761 people born 1951–1956, those exposed to sugar restriction in early life had dramatically lower adult cancer incidence (liver 69% lower; prostate 52%; lung 41%; rectal 40%; breast 36%), longer telomeres equating to about 2.2 years less biological aging, and persisted healthier diets into adulthood. The study, published in PNAS (2026) by Chen Zhu and Weilong Zhang, is observational but uses the rationing cutoff to suggest causal links between early sugar exposure and cancer risk.
New evidence shows that naturally occurring fruit sugar is not the same as added sugars. A 2026 meta-analysis found whole-fruit consumption is linked to lower HbA1c and fasting glucose in people with type 2 diabetes, and a BMJ analysis showed higher intake of several whole fruits is associated with a reduced risk of type 2 diabetes; fruit juice is linked with higher risk. Health guidelines from ADA and Mayo Clinic favor whole fruit (fresh, frozen, or canned without added sugars) and pairing fruit with protein or fat to blunt blood sugar spikes.
Dietitians warn that green juices, often marketed as healthy, can actually drain energy due to high added sugar, low fiber, and a lack of protein or fats. Juicing removes fiber, letting sugar enter the bloodstream quickly and potentially causing an afternoon slump; liquid calories are also less filling, so green juice may not sustain you if it replaces a balanced meal. For steady energy, opt for whole greens in meals, add greens to salads or smoothies that preserve fiber, and choose whole fruits/vegetables rather than juice.
A study analyzing data from about 64,000 Britons born between 1951 and 1956 finds that longer exposure to Britain's sugar rationing during the first 1,000 days (conception through age 2) is associated with a lower risk of several cancers later in life— notably liver cancer, which dropped ~69%—and with indicators of slower cellular ageing (longer telomeres, lower granzyme B). Interestingly, those exposed to rationing in early life also tended to consume less sugar and have healthier diets in adulthood, suggesting both biological and behavioral mechanisms. The results highlight the lasting impact of early nutrition on long-term health but do not endorse sugar rationing today.
Sugars and starches are both carbohydrates; refined starches can raise blood sugar as quickly as sugar, while fiber, protein, and fat slow absorption. People with diabetes don’t need to avoid all starches or simple sugars, but should consume them in modest portions as part of a balanced mixed meal. Continuous glucose monitors (CGMs) can help track individual responses to foods; discuss CGMs with a doctor.
Medical experts warn that fruit juice marketed as natural can pose greater health risks for adults over 50 due to high sugar content and age-related metabolic changes. Even though juice comes from fruit, it lacks the fiber of whole fruit and can raise the risks of diabetes, high blood pressure, and heart disease as sugar is cleared more slowly. Doctors advocate hydrating with water and reserving juice as an occasional treat, while emphasizing the fiber-rich benefits of whole fruit.
Dietitians at a major nutrition conference urge people to ditch sugary drinks to improve gut health, boost energy, and lower cancer risk. Sugar-sweetened beverages are a leading source of added sugar, with a typical can containing about 40 grams, pushing many over the 25–50 gram daily limit and linked to risks like type 2 diabetes, obesity, heart disease, liver and kidney damage, tooth decay, and certain cancers. While cutting sugar is beneficial, switching to diet sodas may reduce sugar intake but comes with uncertain long‑term effects from artificial sweeteners and potential gut microbiome disruption; current guidance favors mostly plain water, with seltzer or 100% fruit juice in moderation, and coffee/tea without added sugar or cream.
A six-month randomized trial found that varying the sweetness level of participants' diets did not alter sweetness preference, body weight, or biomarkers linked to diabetes and cardiovascular health; many participants returned to their previous consumption after the study, suggesting public-health guidance should focus on reducing sugar and energy-dense foods rather than sweetness alone.
A new Science study argues that dietary sugars—glucose from fruit, honey, and later cooked starches—likely powered the energy demands of the expanding human brain over the last ~4 million years, suggesting carbohydrates played a central role alongside meat in human evolution, with meat remaining part of the picture.