Section

Nutrition

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Nutrition

A Study of 371,000 Americans Found Whole Fruit, Not Juice, Is Linked to Better Heart Health

Adults who reported high blood pressure, high cholesterol or heart disease ate whole fruit slightly less often than those without those conditions, while fruit juice intake showed no comparable protective pattern, a large US survey found.

Oct 1, 2026/2 min read

Citrus fruit for sale at a UK supermarket, illustrative of whole fruit of the kind examined in the survey and not a photograph tied to the study itself, taken in February 2022

Nutrition

Tirzepatide Switched On Calorie-Burning Brown Fat in Obese Mice, Independent of Its Appetite-Suppressing Effect

A pair-feeding study found tirzepatide, the drug in Zepbound and Mounjaro, activated thermogenic markers in brown fat and improved glucose tolerance in obese mice even when food intake was matched to untreated animals.

Sep 29, 2026/2 min read

A scientist working at a laboratory bench, illustrative of the kind of animal research described in the study and not this study's own team

Nutrition

Every Extra 100 Grams of Ultra-Processed Food Daily Tied to Higher Disease Risk in an 8.8 Million-Person Study

A pooled analysis of 51 cohort studies spanning up to 32 years of follow-up found higher ultra-processed food intake linked to greater risk of cardiovascular disease, cancer, diabetes, depression and death, with digestive disease risk up 31 per cent.

Sep 27, 2026/3 min read

Boxes of instant noodles on a supermarket shelf, illustrative of ultra-processed food and not tied to any participant in the study, photographed in April 2021

Nutrition

Nearly One in Six Children on Weight-Loss and Diabetes Drugs Developed a Nutritional Deficiency Within a Year

A study of 2,031 young patients aged 10 to 17 found vitamin D deficiency in 12.4 per cent within a year of starting a GLP-1 drug, while fewer than a quarter had any nutrition counselling visit in the same period.

Sep 26, 2026/2 min read

A child at a medical office check-up, illustrative of the paediatric care described and not a participant in the study, photographed in September 2026

Nutrition

Magnesium: How Much You Need, Where It Comes From, and What a Supplement Can and Cannot Do

Most people can meet their magnesium needs from spinach, nuts, seeds, beans and wholegrains. A supplement helps a few, does little for cramps or sleep in most, and has an upper limit worth respecting.

Sep 21, 2026/3 min read

A small terracotta pot filled with almonds and cashews against a green background, two of the nut sources of magnesium, photographed in June 2018

Nutrition

Oily Fish Twice a Week or Once: What the Official Advice Says, What Counts, and Who Should Eat Less

At least two portions of fish a week, one of them oily, is the standing advice in the UK. Tinned tuna does not count, tinned sardines do, and some groups are told to limit how much they eat.

Sep 14, 2026/3 min read

Grilled sardines served with a lemon wedge, red onion and green leaves, photographed in March 2017

Nutrition

A Mouse Study Says Sweeteners Left Marks Two Generations On, and It Is Being Read Far Too Confidently

47 mice drank water, sucralose or stevia. Their children and grandchildren, who drank only water, showed some of the same changes to gut bacteria and gene activity. That is genuinely interesting and it is not a finding about people.

Sep 1, 2026/3 min read

Three black laboratory mice on wood shavings in a cage, beside a cardboard tube

Nutrition

They Changed the Light and the Algae Started Making the Vitamin B12 a Human Can Actually Use

Ordinary spirulina is full of a B12 lookalike the body cannot use, which is why it has never been the answer for anyone avoiding animal food. Adjusting the light it grows under produced 1.64 micrograms of the active form per 100 grams.

Aug 31, 2026/3 min read

Open raceway ponds used to cultivate microalgae outdoors, the conventional growing method the study set out to improve on

Nutrition

Every One of 212 Plant Based Products Tested in Britain Contained a Fungal Toxin

A survey published in Food Control screened UK burgers, vegan sausages and oat, almond and soy drinks for 19 mycotoxins. All 212 carried at least one. Every measured level sat below the European guideline, which is the part people keep skipping.

Aug 30, 2026/4 min read

A plant based cheeseburger in a pretzel bun, served with fries, pickles and a pot of mayonnaise

Nutrition

Wine Drinkers Died Less Often in a 340,000 Person Study, and the Most Likely Explanation Is Dinner

An analysis of 340,924 UK Biobank adults found moderate wine drinkers had a 21 per cent lower risk of cardiovascular death, while beer, cider and spirits went the other way. The researchers' own leading explanation is not the wine.

Aug 28, 2026/4 min read

Tables laid with wine glasses, cutlery and folded napkins in a restaurant dining room

Nutrition

The Mice Kept Eating Less and Put the Weight Back On Anyway. That Is the Interesting Part.

A Yale study found semaglutide switches the brain's hunger neurons on rather than off, and that those neurons are required for fat loss to last. Remove them and the mice ate just as little and regained the weight within fifteen days.

Aug 25, 2026/4 min read

Three laboratory mice in a cage with bedding and a cardboard tube