Ptosis is the noticeable upper eyelid droop. It is not a disease, and therefore does not cause anything symptomatic, and is not infectious or life threatening. It is mostly associated with aging, or excess skin. The most uncomfortable thing is the possible occlusion of the eyes field of vision (meaning it may cover your eye a little. It is easily correctable with surgery.
Answer:
The main reason why soccer is not popular in the USA is because of the American culture. There is a great number of aspects in soccer that simply don't match with the social beliefs of americans. This phenomenon, combined with other historical events, made soccer a unactractive sport for americans.
Explanation:
F = foul, N = non-foul
1. N
2. F
3. F
4. N
5. N
6. N