What is muscle memory, and can I improve mine?

Whether it's riding a bike or knitting a sweater, there are some tasks you do without thinking. These are commonly associated with "muscle memory," the idea your body can remember how to perform complex tasks and, over time, ...

Without the right tests, the best medicines make no difference

A new analysis from UC San Francisco argues that diagnostics—medical tests that match patients to the appropriate treatment—are being overlooked both in the United States and around the world. This is slowing progress against ...

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