This would make them active, with a high metabolism.

Papa wanted a higher metabolism, without losing the population bounds.

With the higher human metabolism, they should have been eliminated.

These special powers use a lot of energy, which gives them an extraordinarily high metabolism.

They have a high metabolism and a great deal of body heat.

Possibly, that accounts for the hair growth and their high metabolism.

On the other hand, it was possible that he'd been right about its higher metabolism resulting in quick starvation.

He knew that Talgarts had an unusually high metabolism, of course.

Due to their high metabolisms, feeding usually needs to be done at least every other day.

He's also known to have a high metabolism and is also rich.