"It must be remembered that in highly developed countries of the West at least, the mean age at menarche has been decreasing steadily for at least a century at a rate of 4 months per decade." - J. M. Tanner
“If a just-hatched tadpole is given extra thyroid hormone, it turns prematurely into an adult frog about the size of a fly.” Broda Barnes.
“If a just-hatched tadpole is given extra thyroid hormone, it turns prematurely into an adult frog about the size of a fly.” Broda Barnes.