Puberty News and Research

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Puberty is the maturation stage a person goes through when they develop secondary sexual characteristics. Usually, puberty occurs between the ages of 8 and 12 years in girls and between 9 and 14 years in boys.

Delayed brain development and its interaction with puberty key to learning difficulties

A Northwestern University study is the first to suggest that delayed brain development and its interaction with puberty may be key factors contributing to language-based learning disabilities such as dyslexia.

23 Jun 2004

Novel findings on treatments for childhood obesity and early polycystic ovary syndrome (PCOS) in young girls

New research findings presented this week in New Orleans during ENDO 2004, the 86th Annual Meeting of The Endocrine Society, could help keep kids healthier.

16 Jun 2004

Link between adult leg length and coronary heart disease in women

Researchers at Bristol University have found a link between adult leg length – an indicator of diet and living conditions during childhood – and coronary heart disease in women.

15 Jun 2004

Survey finds over 60% of clinically obese women began dieting before 14

A University of California, Berkeley-led survey of women defined as clinically obese shows that nearly two-thirds of them went on their first diet before age 14 and, as adults, were more likely to be heavier than women who started dieting after age 14.

10 Jun 2004

Genetic link between hormones and migraine

Director of the Genomics Research Centre Professor Lyn Griffiths and her team of researchers at Griffith University have identified a genetic link between hormones and migraine.

9 Jun 2004

Mothercare, John Lewis and Argos worst stores in UK for dangerous chemicals

High street stores must do more to phase out chemicals which may adversely affect human health, Friends of the Earth said today. The call coincides with a new survey by the environmental campaign group showing some stores are still not taking effective action to remove risky chemicals from their products.

1 Jun 2004

Researchers have identified the first gene linked to the productivity of the stem cells that produce sperm in mammals

Researchers have identified the first gene linked to the productivity of the stem cells that produce sperm in mammals. The discovery was made by applying the latest laboratory methods to a strain of mice restored from embryos frozen since the early 70s.

23 May 2004

Study helps to visualize how brain develops with age

The brain's center of reasoning and problem solving is among the last to mature, a new study graphically reveals. The decade-long magnetic resonance imaging (MRI) study of normal brain development, from ages 4 to 21, by researchers at NIH's National Institute of Mental Health (NIMH) and University of California Los Angeles (UCLA) shows that such "higher-order" brain centers, such as the prefrontal cortex, don't fully develop until young adulthood.

18 May 2004

Research finds feeding ewes well impacts on future generations

Research that has found a two-fold difference in the amount of epithelial tissue in the mammary glands of foetal lambs whose dams were well fed throughout pregnancy compared to dams fed at maintenance levels could have important implications for sheep farm management in New Zealand – and perhaps human nutrition.

10 May 2004

Space technology may help fertility of a woman with cancer

Using technology borrowed from the National Aeronautics and Space Administration (NASA), scientists at the University of Pittsburgh's McGowan Institute for Regenerative Medicine have taken the first steps toward successfully preserving ovarian tissue from rats and mice in culture, including immature egg follicles, according to a study in the current issue of the journal Tissue Engineering.

29 Apr 2004

Lean beef good for teenagers

Diets rich in lean beef can help teenagers maintain their levels of useable iron, teach important balanced eating habits and dispel rumors that all healthy diets are challenging and lack taste, according to a researcher in the University of Iowa College of Public Health.

28 Apr 2004