controlled

The researchers stress the importance of further studies, especially randomised controlled clinical trials, to better understand the mechanisms behind the findings.

And the researchers stress their study, published in Annals of Neurology, used carefully controlled prescription medication.

Using mice, the researchers pinpointed a group of brain cells in the frontal cortex that connects to the brainstem, where vital actions like breathing are controlled.

As well as restricting social media for young people, some suggest their use of smartphones should also be more tightly controlled.

The test concluded a little over an hour later after Starship fired up its engines again and completed a controlled ocean landing more than 3,000 miles away off the northwest coast of Australia.