Passage: In about 40% of people with pathological hemorrhoids there are no significant symptoms. Internal and external hemorrhoids may present differently; however, many people may have a combination of the two. Bleeding enough to cause anemia is rare, and life-threatening bleeding is even more uncommon. Many people feel embarrassed when facing the problem and often seek medical care only when the case is advanced.

Question: Hemorrhoids may cause people to feel what sentiment?
embarrassed