New neuronal circuits which control fear have been identified

Fear is an adaptive response, essential to the survival of many species. This behavioural adaptation may be innate but can also be a consequence of conditioning, during the course of which an animal learns that a particular stimulus precedes an unpl…

Hard work improves the taste of food, Johns Hopkins study shows

It’s commonly accepted that we appreciate something more if we have to work hard to get it, and a Johns Hopkins University study bears that out, at least when it comes to food.
The study seems to suggest that hard work can even enhance our appreci…

New gene therapy boosts immune system to cure cancer in mice

Using a novel gene therapy approach that boosts the body?s immune system, a researcher has cured cancer in laboratory mice. In experiments reported in the Dec. 15 issue of Cancer Research, Chung Lee and colleagues at the Feinberg School of Medicine at Northwestern University applied the gene therapy technique to render immune cells insensitive to transforming growth factor beta (TGF-beta), a powerful, naturally occurring substance in the body called an immunosuppressor that enables cancer cells to evade surveillance by the immune system. The approach boosted the mice?s immune system, which virtually eliminated cancerous tumors in the animals’ lungs and prostate gland.

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