Health

Humans don't hibernate, but we still need more winter sleep

Whether we're night owls or morning larks, our body clocks are set by the sun. Theoretically, changing day length and light exposure over the course of the year could affect the duration and quality of our sleep. But figuring ...

Radiology & Imaging

World's most powerful MRI scans first images of human brain

The world's most powerful MRI scanner has delivered its first images of human brains, reaching a new level of precision that is hoped will shed more light on our mysterious minds—and the illnesses that haunt them.

Medical research

More evidence that blood tests can detect the risk of Alzheimer's

A new study confirms that a simple blood test can reveal whether there is accelerating nerve cell damage in the brain. The researchers analysed neurofilament light protein (NFL) in blood samples from patients with Alzheimer's ...

Pediatrics

What to know before giving your child melatonin

Sleep plays a big role in your child's physical and mental well-being. If your kid is struggling with falling and staying asleep, you might find yourself turning to melatonin—an over-the-counter sleep aid—to help them.

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