Pelvic inflammatory disease is the most likely cause in 99% of studies on this matter
A 12 year old male should have a caloric intake between 1800-2400 calories per day. Thus, your percentage would be based on that days specific caloric intake.
Using 2000 as a average, the 900 calorie burger would be 45% of your daily calories.
They may become pregnant or get a Std(Sexually transmitted disease)
An athlete's resting heart rate is lower due to their consistent exercise routine, which strengthens their cardiovascular system so that it can perform efficiently under stress. An average person does not engage in consistent exercise of this type.
Poor flexibility can make body movements, such as kneeling and bending over, far more difficult. Accomplishing activists like cleaning the house can require bending over and kneeling, so when poor flexibility negatively impacts these activities, it makes larger tasks more difficult.
