A new study, published Wednesday, found that girls are starting their menstrual cycles earlier now than in previous decades. The trend is more pronounced for girls from minority groups and those from lower-income backgrounds. The findings add to growing evidence suggesting that some girls around the world are hitting puberty earlier in life — a…
The bird flu outbreak in American dairy cattle may have begun in January, or even as early as December, a new analysis of genetic data suggests. The Department of Agriculture announced in late March that dairy cattle in Texas and Kansas had tested positive for the virus, called H5N1. It has since reported cases in…
Teen pregnancy increases the chances that a young woman will drop out of school and struggle with poverty, research has shown. Teenagers are also more likely to develop serious medical complications during pregnancy. Now a large study in Canada reports another disturbing finding: Women who were pregnant as teenagers are more likely to die before…
