The results of this large, prospective, population-based study therefore do not support the hypothesis that life stress, when defined as stressful life events, increases the risk for developing cancer.
He sees evidence, not overwhelming but hopeful, that the so-called Medea hypothesis "that life itself periodically brings about the destruction of life and... long-term ecological stability is impossible" is wrong.
By looking at how well microbes can survive in space, scientists can better evaluate a hypothesis that life may have first arisen on Mars and then was carried to Earth on a meteorite.
This leads to the hypothesis that life may exist deep beneath the Martian surface.
Our third hypothesis, that life satisfaction is negatively associated with rumination, received support in our study.
These results are consistent with the hypothesis that life expectancy proxies for general well-being in a country rather than representing labour market considerations.
Miller tested the hypothesis that life's chemical building blocks were formed when Earth had an atmosphere rich in methane, ammonia, water, and hydrogen.
Orthogenesis was the hypothesis that life has an innate tendency to change, in a unilinear fashion, towards ever-greater perfection.
In other words, if λ is about 1.14, then the results of the analysis do not reject the hypothesis that life began after the formation of the Earth.
This suggests that the "weathering hypothesis," cumulative life course stressors affecting later health, may apply to White/Non-Hispanic and Hispanic mothers.
