Sentences with phrase «until multiple decades»

It's generally correct to say that few risks have been proven yet, but finding these effects takes multidecadal cohort studies... which aren't possible until multiple decades after legalization.

Not exact matches

Carcinogenesis is a complex process involving multiple sequential mutations, which occur randomly in the DNA of normal cells over many years, even decades, until finally specific genes are mutated and cell growth becomes out of control resulting in the full neoplastic phenotype and often metastasis.

Over the past several decades the typical conventional standard of practice is to give puppies and kittens multiple viral vaccinations every few weeks starting as young as 3 - 4 weeks of age, up until 4 - 5 months old and then repeating that practice every year of the animal's life.

While carriers in Asia have had multiple serous accidents in the last two decades of the twentieth century, Malaysia has had no further incidents until now.