A recent study revealed that short-term exposure to a high-calorie diet can significantly alter brain activity related to appetite regulation, even in the absence of weight gain. In a trial involving healthy male participants, those on a high-sugar, high-fat diet exhibited increased brain responses to insulin compared to those on a normal diet. Additionally, early-career scientists in the US are expressing anxiety over potential funding cuts, affecting their career stability, while archaeological evidence in New Mexico suggests the early use of handcarts, pushing back the timeline for human settlement in the Americas.
In a trial, 18 healthy male volunteers went on a high-sugar, high-fat diet for five days, revealing changes in brain activity related to appetite and rewards.
Repeated threats to US science funding have left early-career scientists fearing for their futures, often forcing them to seek employment outside of research.
Researchers in New Mexico may have found evidence of one of the earliest uses of transport technology, with tracks indicating the use of handcarts 22,000 years ago.
'I love my research, but I cannot afford to lose a pay cheque,' says neuroscience postdoc Haroon Popal, reflecting the anxiety of many early-career scientists.
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