Theresa I. Lavoie has written:

'The effects of an aversive noise stimulus on caloric consumption of various nutrient mixtures by wistar rats'

When a person is placed on a treadmill and connected, by special breathing tubes, to measuring equipment it is the rate-of-consumption of Oxygen that is being examined.

The amount of caloric consumption is also reflected by the [measured] rate of CO2 production and exhalation.

Obesity. High fat consumption often leads to excess caloric and fat intake, which increases body fat. Coronary artery disease. High consumption of saturated fats is associated with coronary artery disease

When a person is placed on a treadmill and connected, by special breathing tubes, to measuring equipment it is the rate-of-consumption of Oxygen that is being examined.

The amount of caloric consumption is also reflected by the [measured] rate of CO2 production and exhalation.

Gain weight.