Health

One sleepless night can rapidly reverse depression for several days

Most people who have pulled an all-nighter are all too familiar with that 'tired and wired' feeling. Although the body is physically exhausted, the brain feels slap-happy, loopy and almost giddy. Now, neurobiologists have uncovered what produces this punch-drunk effect. In a new study, researchers induced mild, acute sleep deprivation in mice and then examined their behaviors and brain activity. Not only did dopamine release increase during the acute sleep loss period, synaptic plasticity also was enhanced -- literally rewiring the brain to maintain the bubbly mood for the next few days.

Practicing mindfulness can help people make heart-healthy eating choices

A study found that participants in a mindfulness-based blood pressure reduction program improved health behaviors that lower blood pressure. When people who had elevated blood pressure participated in an eight-week mindfulness-based blood pressure reduction program, they significantly improved their scores on measures of self-awareness and adherence to a heart-healthy diet compared to a control group.

How 'blue' and 'green' appeared in a language that didn't have words for them

A new study suggests the way a language divides up color space can be influenced by contact with other languages. Tsimane' people who learned Spanish as a second language began to classify blue and green into using separate words, which their native tongue does not do.

Covid inquiry: Matt Hancock 'wanted to decide who lived and died'

Revelation comes to light as former NHS boss Sir Simon Stevens gives evidence to Covid inquiry.

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One sleepless night can rapidly reverse depression for several days

Practicing mindfulness can help people make heart-healthy eating choices

How 'blue' and 'green' appeared in a language that didn't have words for them

Covid inquiry: Matt Hancock 'wanted to decide who lived and died'

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