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Our Better Health

1. Saturated fat reduces cognitive flexibility

A high-fat, high-sugar diet causes significant damage to cognitive flexibility, a new study finds.

Cognitive flexibility is the ability to adjust and adapt to changing situations.

The research was carried out on laboratory mice.

They were given either a normal diet, a high-fat diet or a high-sugar diet.

After four weeks the mental and physical performance of mice on the high-fat or high-sugar diet began to suffer.

2. Multimedia multitasking shrinks the brain

Using laptops, phones and other media devices at the same time could shrink important structures in the brain, a new study indicates.

For the first time, neuroscientists have found that people who use multiple devices simultaneously have lower gray-matter density in an area of the brain associated with cognitive and emotional control.

Multitasking might include listening to music while playing a video game or watching TV while making a phone call…

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