Western diet impairs odor-related learning and olfactory memory in mice

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Western diet impairs odor-related learning and olfactory memory in mice

Problems with the sense of smell appear to be an early indicator of cognitive decline in people with type 2 diabetes. However, it’s unknown whether factors such as diet and obesity play a role in who develops these symptoms. Now, researchers have found that mice fed a moderate-fat, high-sugar chow (simulating a Western diet) showed a faster decline in their ability to learn and remember new odors.

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