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Message:

> A study of scientists age and productivity:
> 
> https://www.sciencedaily.com/releases/2022/10/221010115338.htm
> 
> "A new study provides the best evidence to date that scientists overall are most innovative and creative early in their careers.
> 
> "Findings showed that, on one important measure, the impact of biomedical scientists' published work drops by between one-half to two-thirds over the course of their careers.
> 
> "'That's a huge decline in impact," said Bruce Weinberg, co-author of the study and professor of economics at The Ohio State University.
> 
> "'We found that as they get older, the work of biomedical scientists was just not as innovative and impactful."
> 
> ***
> 
> "'So when you look at all biomedical scientists as a group, it doesn't look like innovation is declining over time. But the fact that the least innovative researchers are dropping out when they are relatively young disguises the fact that, for any one person, innovativeness tends to decline over their career."
> 
> "Results showed that for the average researcher, a scientific article they published late in their career was cited one-half to two-thirds less often than an article published early in their careers.
> 
> "But it wasn't just citation counts that suggest researchers were less innovative later in their career."
> 
> Comment: this is bright group of people. In view of how the brain accommodates to age, I wonder this is why the study shows declining production of new studies.