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.

Better treatment for children with brain cancer

Young children diagnosed with a malignant type of brain tumour will benefit from research that has taken twelve years to complete.

23 Jul 2007

Growth hormone for idiopathic short stature in children and adolescents

Growth hormone injections appear to boost height in extremely short, healthy children, according to a recent systematic review, but height gain appears to peak at about three inches - and those inches are expensive.

18 Jul 2007

Kids who prefer evenings are more likely to exhibit antisocial behavior

A propensity for activities in the evening rather than in the morning may offer clues to behavioral problems in early adolescence, according to psychologists who have found that kids who prefer evenings are more likely to exhibit antisocial behavior, rule-breaking, and attention problems.

11 Jul 2007

Chromosome disorders can arise when sex cells are formed

Chromosome disorders in sex cells cause infertility, miscarriage and irregular numbers of chromosomes (aneuploidy) in neonates.

9 Jul 2007

Young girls have eggs extracted before chemo to protect fertility

Israeli fertility experts have extracted and frozen eggs from girls as young as five about to undergo chemotherapy and frozen them so they can be used later to start a family.

3 Jul 2007

High frequency of sperm abnormalities associated with reduced testicular volume in male lupus patients

The prognosis for systemic lupus erythematosus (SLE), an autoimmune disease that mainly affects women in their reproductive years, has improved recently, prompting a shift toward improving quality of life.

29 Jun 2007

Child obesity epidemic

The obesity epidemic has become a major public health problem in both industrialized countries and the developing world.

20 Jun 2007

Solvay Pharmaceuticals submits supplemental NDA for AndroGel

Solvay Pharmaceuticals, Inc., has announced that it submitted a supplemental New Drug Application (sNDA) for AndroGel (testosterone gel) 1% CIII to the U.S. Food and Drug Administration (FDA) for treatment in male adolescents ages 13-17 years old with primary or secondary hypogonadism.

17 Jun 2007

Low testosterone means men may die young

A new study suggests that men with low levels of testosterone are more likely to die young; they apparently have a 33% increased risk of death over an 18-year period than those with higher levels.

6 Jun 2007

Health effects of isoflavones and breast cancer

Are soy products healthy additions to a person's diet, safe alternatives to hormone-replacement therapy or cancer-causing agents" The answer, according to University of Illinois food science and human nutrition professor William Helferich, is, "It depends."

17 May 2007

Cells that cause Ewing's sarcoma identified

Inserm researchers at the Institut Curie have identified the cells that cause Ewing’s sarcoma.

16 May 2007

Female reproductive function is influenced by childhood environment

This suggests there is a critical window of time from about 0-8 years of age that determines the rate at which girls physically mature and how high their reproductive hormone levels reach as adults.

15 May 2007

One-third to nearly one-half of all children and adolescents should be tested for cholesterol levels

According to the AHA, the physicians who care for these at-risk youth face an unexpected obstacle -- their parents. The AHA finds "low levels of parental compliance with both cholesterol screening and intervention."

10 May 2007

Cornell University establishes Center for Reproductive Genomics

Cornell University has established the Center for Reproductive Genomics, which will combine basic research in reproductive sciences on Cornell's Ithaca campus with one of the country's leading fertility clinics at Weill Cornell Medical College (WCMC) in New York City.

10 May 2007

Evidence of very early onset defective bone mineralization in the lumbar spine revealed in children with cystic fibrosis

In a study of children with cystic fibrosis, French researchers found evidence of very early onset defective bone mineralization in the lumbar spine that was not caused by either nutritional status or lung disease.

2 May 2007

Helping eating for kids

Two years ago, Jenny O'Dea set herself a tough challenge: to persuade her one-year old daughter, Katherine, to eat a salty, black olive. The little girl took a small bite, Jenny and her husband cheered and applauded loudly, and Katherine grinned and ate the whole thing.

30 Apr 2007

Oxytocin affects the heart's response to social isolation

A team of researchers investigating the effects of oxytocin, a peptide produced by the brain that regulates social behavior, has found that it can prevent detrimental cardiac responses in adult female animals exposed to social isolation.

30 Apr 2007

Menstrual link to obesity

Women who begin their menstrual periods before they are 11 years old are more likely to have children who also start puberty early and are more overweight than the children of mums who mature later.

26 Apr 2007

Age when a woman's periods start may affect her children's growth rate

Researchers from the Medical Research Council and University of Cambridge, led by Dr Ken Ong, studied the association between mother's age at first menstruation, mother's adult body size and obesity risk, and children's growth and obesity risk in 6,009 children from the UK Avon Longitudinal Study of Parents and Children (ALSPAC) in Bristol.

25 Apr 2007

New perspectives on risk taking in adolescence

While the government spends billions of dollars on educational and prevention programs to persuade teens not to do things like smoke, drink or do drugs, a Temple University psychologist suggests that competing systems within the brain make adolescents more susceptible to engaging in risky or dangerous behavior, and that educational interventions alone are unlikely to be effective.

15 Apr 2007