Study finds menstrual periods are arriving earlier, especially among racial minority and lower-income individuals medicalxpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from medicalxpress.com Daily Mail and Mail on Sunday newspapers.
The average age at menarche the first menstrual period has been decreasing among younger generations in the U.S., especially those belonging to racial minorities and lower socioeconomic statuses, according to a new study. It also found that the average time it takes for the menstrual cycle to become regular is increasing.
New tougher U S air pollution standards shaped by Harvard Chan School research harvard.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from harvard.edu Daily Mail and Mail on Sunday newspapers.
Extreme temperatures linked with heart disease deaths harvard.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from harvard.edu Daily Mail and Mail on Sunday newspapers.