研究发现一种降压药或可治疗多动症
国际科研团队通过动物实验发现，治疗高血压的药物氨氯地平能显著缓解注意力缺陷多动障碍（多动症）的症状，可能成为更有效、更安全的多动症治疗药物。研究人员测试了5种候选药物，只有氨氯地平能显著减轻实验鼠过度活跃的症状，并在斑马鱼测试中减少多动和冲动行为。氨氯地平能通过血脑屏障，直接影响大脑功能。
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研究发现一种降压药或可治疗多动症 财联社/钛媒体/格隆汇/华尔街见闻
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elegram is updating its messaging app with options for auto-deleting messages, expiring invite links, and new unlimited groups, the company shared in a blog post. Much like Signal, Telegram received a burst of new users in the confusion over WhatsApp’s privacy policy and now the company is adopting features that were already part of its competitors’ apps, features which offer more security and privacy. Auto-deleting messages were already possible in Telegram’s encrypted Secret Chats, but this new update for iOS and Android adds the option to make messages disappear in any kind of chat. Auto-delete can be enabled inside of chats, and set to delete either 24 hours or seven days after messages are sent. Auto-delete won’t remove every message though; if a message was sent before the feature was turned on, it’ll stick around. Telegram’s competitors have had similar features: WhatsApp introduced a feature in 2020 and Signal has had disappearing messages since at least 2016.
The Singapore stock market has alternated between positive and negative finishes through the last five trading days since the end of the two-day winning streak in which it had added more than a dozen points or 0.4 percent. The Straits Times Index now sits just above the 3,060-point plateau and it's likely to see a narrow trading range on Monday.
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