Sentences with phrase «biological upper limit»
This finding contradicts the common scientific belief that life span has a biological upper limit of 120 years or so.
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«The charter encourages researchers to take into account the biological age of a person rather than their chronological age,» he says, adding that imposing upper age limits on clinical trials is unjustifiable.
As with any chemical agent that affects biological systems, a safe upper dose limit exists beyond which the adverse effects may outweigh the benefits.