ربطت دراسة شملت 2044 شخصًا بين انخفاض مستويات فيتامين C في الدم وانخفاض حجم المادة الرمادية وضعف الترابط في شبكة الوضع الافتراضي بالدماغ، مما يشير إلى دور محتمل للفيتامين في الحفاظ على بنية الدماغ والروابط العصبية.
Um novo estudo na África do Sul sugere que hominíneos, possivelmente Homo erectus, podem ter usado fogo em cavernas há até 1,8 milhão de anos. A pesquisa utilizou um método inovador de luminescência para identificar sinais de combustão em fósseis, indicando uso recorrente do fogo em camadas arqueológicas mais antigas do que as previamente conhecidas. Especialistas elogiam a metodologia, mas pedem mais evidências diretas da ação humana.
A study published in PLOS One analyzed consumer decision-making regarding free shipping. Using fMRI, researchers found that consumers show a stronger preference for free shipping, even when the total cost is the same. The brain exhibits different activity patterns depending on the shipping cost comparison.
A study published in PLOS One suggests that individuals prone to anxiety and depression may experience sexual fantasies more frequently. Researchers analyzed data from 5,225 adults, finding that higher "negative emotionality" correlated with more frequent fantasies, possibly as a coping mechanism. Conversely, those high in "conscientiousness" and "agreeableness" reported fewer fantasies.
英國蘭開夏大學一項研究發現，適量攝取薄荷油可降低輕度高血壓成年人的血壓，收縮壓平均降低8.5毫米汞柱。研究指出薄荷油價格低廉且熱量低，有望成為經濟有效的治療選擇。
