Olivia's bmi is in the 76th percentile, which is associated with being

Olivia's BMI is in the 76th percentile, which is associated with being normal weight. 
Body Mass Index or BMI is person's weight in kilogram divided by the square of height in meters. Underweight is less than the 5th percentile, Normal or Healthy weight is 5th percentile to less than the 85th percentile, overweight is 85th to less than 95th percentile, and the obese is equal to or greater than 95th percentile.

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath. 

Mining manufacturing