Every minute, 40,000 dead skin cells fall from your body.

The statement is true and conservative. Humans shed approximately 30,000 to 40,000 dead skin cells per minute, totaling about 1 million daily. The outer skin layer (epidermis) constantly renews itself, with dead cells continuously flaking off. This accounts for household dust (largely composed of dead skin) and is a normal part of the skin's regeneration cycle.