Miniature organs on a chip could allow us to do scientific studies with great precision, without having to resort to animal testing. The main problem, however, is that artificial tissue needs blood vessels, and they are very hard to create. Now, new technology has been developed to create reproducible blood vessels using high-precision laser pulses. Tissue has been created that acts like natural tissue.
Read more …A chip with natural blood vessels

Imagine a patient named Rosa tells you she wakes up night after night in a drenching sweat after having very realistic dreams of smoking fentanyl.

The dreams seem crazy to her. Three months ago, newly pregnant, Rosa began visualizing being a good parent. She realized it was finally time to give up her self-destructive use of street fentanyl. With tremendous effort, she started treatment with buprenorphine[1] for her opioid...

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