Puberty is triggered by a complex set of hormones and is one of the major physical milestones that occur during adolescence. Menarche, a girls first menstrual period, typically occurs between the ages of 11 and 15. This age is a drastic change from the mid-19th and mid-20th centuries when the average age of menarche was 17!
There have been many suggestions as to why this has changed; one is the change in diet and lifestyle - mainly increases in protein and fat intake.
Why do you suppose the increase in fat and protein affect the timing of puberty?© BrainMass Inc. brainmass.com October 9, 2019, 11:46 pm ad1c9bdddf
The increase in fat and protein may affect puberty because it may be the body's signal that the individual is ready to produce offspring. Fat and ...
Why do you suppose the increase in fat and protein affect the timing of puberty is determined.