Tag: Essential for life

The liver produces approximately 80% of the body's cholesterol, underscoring its importance. This waxy substance, often viewed negatively due to its association with heart disease, begs the question: is cholesterol essential for life?

Over 60% of the human body is water, a fact that powerfully illustrates its importance. For centuries, the search for extraterrestrial life has focused on locating liquid water, and for good reason. The statement that water is not essential for life is categorically false based on all current scientific understanding of biology on Earth.