A thyroidectomy?
If your thyroid is damaged you would need one to remove parts or the whole thyroid itself.
it is not nessesery to be tall but it does help
against - could release herbicide resistance into wild strains, messing with genes in innately evil, people are scared, there could be unforeseen consequences. for- It's a good idea, less pesticides etc in the environment, more food, cheeper food, food in hostile environments, feed the hungry and the poor. climate change makes it nessesery. little chance something very bad will happen, benefits outweigh the costs.
Praise their efforts and achievements, encourage them to try new things and make their own decisions, provide them with opportunities to develop their strengths and talents, and show them unconditional love and support.