Ultra-processed food is often high in fat, sugar and salt
GMVozd/Getty Images
Nutrition advice is often fickle. In the 1990s, nutritionists blamed fats for rising obesity rates. Then, carbohydrates became the culprit in the early 2000s. Now, the refrain is to eat whole foods and avoid ultra-processed ones. Why can’t we get a straight answer on what we should be eating?
The trouble is that simply opting for foods with fewer and less-processed ingredients doesn’t guarantee a healthier diet. In fact, as a recent meeting of the American Society for Nutrition in Chicago demonstrates, studies on ultra-processed food (UPF)…
Forget aesthetics, the reason to look after our skin should be health
Dr Jeremy Burgess/Science Photo Library Our skin isn’t just our biggest organ, it is also the one we are most...
Is solar geoengineering research having its moment?
Particles in ship exhaust inadvertently cause cloud brightening – some geoengineering projects would try to recreate this effectNASA’s Earth Obervatory...
‘Artificial tongue’ can detect chemical makeup of alcoholic drinks
Molecular testing can be used to assess drink qualityEvgenii Parilov/Alamy Drinks manufacturers and consumers may soon have a small, portable...
Are vast amounts of hydrogen fuel hidden below Earth’s surface?
Drill rig in Nebraska run by Natural Hydrogen Energy LLC, which established its first hydrogen borehole in 2019Viacheslav Zgonnik For...
