In fact, the onset of puberty
is a complex phenomenon, which is known to be controlled by genetic, environmental and endogenous factors (Burns et al.
The age at onset of puberty
was categorised as precocious (<8 years), normal (8-13 years) or delayed (>13 years).
However, no difference was observed among groups at the onset of puberty
Leptin treatment can correct the reproductive failure of ob/ob mice, which cannot be reversed through weight loss by fasting  and accelerate the onset of puberty
in normal weaning female mice without notable effects on body weight .
High fat diet is thought to accelerate the onset of puberty
but our work demonstrates that rats fed a high salt diet even with a high fat diet will still show a delay in puberty onset.
investigated the association between age at onset of puberty
and age at onset of schizophrenia and found a significant negative correlation between the three measurements (first strange behavior, first psychotic symptoms and first hospitalization for psychiatric reasons), which is consistent with the findings in our study (27) However, a study carried out by Ruiz et al.
The multi-institutional study strengthens a growing body of research documenting the earlier onset of puberty
in girls of all races.
Researchers first noticed the earlier onset of puberty
in the late 1990s, and recent studies confirm the mysterious public health trend.
While a great deal more research needs to be done, a graduate student in psychology has found there may be a link between ADHD symptoms and the early onset of puberty
3 percent girls were aware of physical and emotional changes associated with puberty before the onset of puberty
There are presently around 27,000 research reports on this subject that highlight their connection with cancers, early onset of puberty
, declining fertility and so on.
If you basically say that the onset of puberty
has a bell-shaped distribution, it seems to many of us the whole curve is shifting to the left," says Paul Kaplowitz, chief of the division of endocrinology and diabetes at Children's National Medical Center in Washington, D.