Why are girls entering puberty earlier?
No one knows for sure why puberty may be starting early. “The most widely accepted theory is better nutrition,” says Nyack psychologist Eric Neblung, Ph.D. “Improved nutrition results in more body fat and body mass, which sets the stage for the onset of puberty.” Obesity, dietary factors, environmental factors, and genetics can contribute to early puberty. Over-eating and lack of exercise can lead to obesity, which then can bring on early development. Chemicals in our environment – from fertilizers used on our lawns, to toxins in our air and water, to chemicals in the creams and soaps we use – that contain hormone-like properties may be another reason. A new study by the Environmental Working Group found certain chemicals (including phthalates, triclosan and parabens) found in cosmetics and body care products that appear to disrupt the endocrine system, which regulates hormones. Bisphenol A, a hormone-mimicking chemical found in plastic baby bottles, water bottles and aluminum food can
