Sometimes called sacred lotus, Chinese lotus root (Nelumbo nucifera) is a perennial species of aquatic plant grown for its fragrant, cup-shaped flowers and round foliage. It grows well within U.S. Department of Agriculture plant hardiness zones 4 to 10, where it is commonly added to water gardens and decorative ponds.
What causes puberty to begin? Puberty, that awkward phase when boys and girls are primed for their sexual reproductive years as men and women, appears to be triggered by the brain's own version of It takes two to tango, whereby a signal literally gets turned on by a molecule that is produced by a gene aptly named KiSS-1.
For example, serotonin neurons in the dorsal raphe of the brain have estrogen receptors. Researchers have also found evidence that rising levels of these hormones (as occurs at puberty) have a direct effect on the regulation of the neurotransmitter serotonin, which is important in the regulation of mood and arousal.he Tinderbox in the Teenage Brain. Puberty brings hormonal changes, intense feelings, and craving for arousal, but, writes Dahl, these alone cannot explain the lapses in judgment that shock parents and make adolescents highly vulnerable to addiction, suicide, violence, and other destructive behaviors.