Offering new insight into how dietary habits affect the onset of menstrual cycles in girls researchers have found that frequent consumption of red meat may lead to early onset of puberty which is associated with risks of breast cancer heart disease obesity and Type-2 diabetes. Girls who eat red meat often start their periods on average five months earlier than those who do not the findings showed. Conversely girls who consume fatty fish like tuna and sardines more than once a week have their first menstrual cycle or menarche significantly later than those who eat it once a month or
