Researchers tested a high‑fat, low‑carbohydrate ketogenic diet in mice with high blood sugar. The mice ate the diet and used running wheels for exercise. After one week on the diet, their blood sugar was completely normal, as if they did not have diabetes.
Over time the diet changed the mice muscles so they used oxygen better and responded more to aerobic exercise. Compared with other diets, the mice developed more slow‑twitch fibres that help endurance. The researchers say diet might improve how people respond to exercise, but they need to test people next.
The ketogenic diet shifts the body from burning sugar to burning fat. It is controversial because it is high in fat and very low in carbohydrates, and it can be hard to follow.
Difficult words
- ketogenic — a way of eating that makes body burn fat
- carbohydrate — a nutrient found in starchy or sugary foodslow-carbohydrate, carbohydrates
- blood sugar — the amount of glucose in the blood
- fibre — muscle cells that work well for long exerciseslow-twitch fibres
- endurance — ability to keep going in long activity
- respond — to change or react after something happensresponded
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Would you try a high-fat, very low-carbohydrate diet? Why or why not?
- Would you take part in a study where researchers test a diet on people? Why or why not?
- What exercise do you do and do you prefer short or long activities?
Related articles
Toxic cosmetics sold in Latin American street markets
Informal markets in Latin America sell cosmetics often without labels or health checks. Studies found toxic metals in many cheap products; authorities seized counterfeit goods and experts warn of health risks, especially for children.
Clean water reduces child stunting in Mozambique
A University of Notre Dame study using national survey data finds that improved access to safe drinking water lowers the odds of stunting in Mozambican children by about 20%. Improved sanitation showed no independent effect on stunting.
