The phrase "reduce life span" is correct and usable in written English.
You can use it whenever you are discussing something that shortens the duration of life. For example: "Genetically modified food can reduce life span in some cases."
The observation that mutations in either daf-12 or genes encoding DA biosynthetic components reduce life span in animals with reduced DAF-2/InsR signaling is consistent with a model whereby liganded DAF-12 promotes longevity when DAF-2/InsR signaling is reduced.
Phosphate is required for many important cellular processes and having too little phosphate or too much can cause disease and reduce life span in humans.
These dramatic changes in body mass did not reduce life span nor affect infant survivorship.
Consequently, the reported hyperhomocysteinemia in PES-positive individuals should tend to increase mortality and reduce life span.
Likewise, deletion of the sod-2 Mn-SOD increases oxidative damage levels but does not reduce life span [13].
For example, early maturation and high investment in reproduction cumulatively reduce life span (Jørgensen and Fiksen 2010).
Fulcher, D. A. & Basten, A. Reduced life span of anergic self-reactive B cells in a double- transgenic model.
Food stress in the larval stage slightly reduced life span, as did food stress during the adult stage.
The therapies could have a more immediate effect on people with low telomerase levels due to a condition called dyskeratosis congenita, which greatly reduces life span.
Earlier studies have tied chronic sleep disorders and low levels of sleep to greater risks of heart disease and obesity, and even reduced life span.
It indicated that, compared with the general population, they have a significantly reduced life span, the median age of death being 23 years younger for men and 29 years younger for women.
