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Previous studies have led to a model that involves multiple gene duplications and exon shuffling to allow the evolution from GST to S-crystallin 4,7,8 and this process then creates a diverse and large family of S-crystallins

In addition, some nanodrugs are at the research stage (4)

As for a clinical, made on real people study, the manufacturer did one for eyelash growth with 30 volunteers

some participants reported little or no improvement, some reported moderate improvement (1 = slightly better), and some reported substantial improvement (2 = better, 3 = much better)

The plateau comes when the remaining bottlenecks become limiting