caloric demand

“It’s important to have a really balanced diet that will meet your daily caloric demands,” Alvarez said.

The same thing happened on Russia's old Mir space station; caloric intake did not meet caloric demand, he said.

The most common cause of starvation is the economy; poor people sometimes cannot buy enough foodstuffs and thereby fail to fulfill the caloric demands of the body.

"The relationship between sweet preference and growth makes intuitive sense because when growth is rapid, caloric demands increase," geneticist Danielle Reed of the Monell Chemical Senses Center in Philadelphia said in a statement.