Alopecia or alopecia areata is more commonly known as spot baldness. It is a serious condition that makes a person lose his or her hair in round patches. The patches increase in number over time. Alopecia could affect your scalp and can also result in hair loss from other parts of the body. Alopecia is an auto immune problem and causative factors of which are still not known. However, certain triggering factors, such as stress, which is the biggest culprit along with other factors like thyroid problems, genetic tendencies, drug abuse, hormonal changes or medications can lead to such a disorder.