Parathormone increases calcium level in our body , then why hypersecretion of parathormone causes osteoporosis ? explain briefly

Dear student,

Parathyroid hormone (parathormone) regulates the level of calcium in the body i.e. how much calcium is to be absorbed from the diet, secretion from kidneys, storage in bones etc. Hypersecretion of parathyroid hormone causes a constant release of calcium into the bloodstream. Due to this, the bones lose density and hardness, and this loss of calcium leads to osteoporosis. 

Hope this piece of information clears your doubt regarding the topic.

Regards.