Nutrition
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Health & MedicineObesity makes taste buds disappear — in mice, anyway
Mice that gained excessive weight on a high-fat diet also lost one in four taste buds.
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Health & MedicineScientists Say: Lactose
You might not think of dairy products having sugar, but they do. Milk is rich in a sugar called lactose.
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ClimateAnalyze This: Climate change could make food less healthy
Levels of important nutrients are lower in crops exposed to high levels of carbon dioxide, a greenhouse gas. How high? Try levels expected to be typical 30 years from now.
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Health & MedicineSleep helps wounds heal faster
Getting enough sleep may be more important for helping wounds heal than getting good nutrition, a new study finds.
By Ilima Loomis -
Health & MedicineHow the body protects us from potentially toxic amounts of sugar
A study in mice shows the small intestine shields the liver from the potentially damaging effects of exposure to fructose — but only up to a limit.
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ChemistryScientists Say: Salt
Salts in chemistry are compounds made when a positively charged acid is combined with a negatively charged base. Table salt is one example.
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AnimalsCool Jobs: Puzzling over proteins to study life and death
Scientists are using proteins to understand dinosaur family trees, to fight malnutrition with a peanut-butter mix in Africa and to make “Google maps” of human cells.
By Bryn Nelson -
AnimalsOrangs nurse young for more than eight years!
Orangutan moms and babies have been tricky to study in the wild, so researchers used dental tests to reveal a record setting nursing period.
By Susan Milius -
ChemistryCool Jobs: Counting calories
Do calories count? A nutrition label doesn’t tell the whole story. Meet three researchers working to shed light on the complex connections between food and health.
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Health & MedicineExplainer: All about the calorie
Calories are a measure of how much energy is in a food. But when it comes to powering our bodies, not all calories are equally available to the body.
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BrainJust viewing super-size meals can promote overeating
Large portions of food dampen activity in a brain area involved in self-control, a new study shows.
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Health & MedicineEarly birds eat better
People who love mornings tend to eat healthier food throughout the day. This could help explain why night owls tend be less healthy overall.