Weight and sweeteners · October 5, 2026
Diet drinks matched water for two years of weight loss. The trial was funded by the beverage industryA randomised trial of 493 adults with overweight or obesity found similar weight change over 104 weeks. Here is what that result settles, and what it leaves open.
Brain health · October 5, 2026
A diet linked with 2.5 years of slower brain ageing: what the MRI scans actually showIn 1,647 adults followed for about 12 years, closer adherence to the MIND diet went with slower shrinkage of brain grey matter. Berries and poultry stood out, and so did sweets.
Whole grains · October 5, 2026
How much whole grain actually helps? The answer is more specific than 'more is better'A pooled analysis of 87 randomised trials found benefits start at about two servings a day and peak around four to six. The changes are real but modest, and they were measured over weeks, not years.
Children and nutrition · October 5, 2026
One child in six on a GLP-1 drug developed a nutrient deficiency within a yearVitamin D was the most common gap, yet only 5% of the children had nutrition counselling in their first month of treatment. Who should be checking what children eat on these medicines?
Ultra-processed food · October 5, 2026
Ultra-processed food: what 51 studies and 8.8 million people tell us about the riskA large pooled analysis links more ultra-processed food with heart, metabolic, mood and digestive problems, and with early death. Here is how to read the numbers, and what they do not prove.