Belly Button Mysteries

What did Georg Steinhauser identify as the main cause of belly-button lint accumulation?

• Belly button shape

• Dead skin cells

• Stomach hair

• Sweat glands

How many different kinds of bacteria were found on average in each belly button during the study?

• 503

• 230

• 67

• 23

Which unusual bacteria was discovered in belly buttons that is also used in cheese-making?

• Lactobacillus

• Marimonas

• Corynebacterium

• Staphylococcus

What is a potential consequence of not cleaning your belly button regularly?

• Increased hair growth

• Enhanced skin color

• Unpleasant odor

• Improved digestion

What is a belly-button hernia caused by?

• Bacterial infection

• An opening in abdominal muscles

• Excessive lint buildup

• Improper umbilical cord cutting