Consumption

noun

1. The act of eating, drinking or using.

   "The consumption of snails as food is more common in France than in England."

2. The amount consumed.

   "gross national consumption"

3. The act of consuming or destroying.

   "The fire's consumption of the forest caused ecological changes."

4. The wasting away of the human body through disease.
5. Pulmonary tuberculosis and other diseases that cause wasting away, lung infection, etc.