What are some examples of hair diseases?

Here are some examples of hair diseases:

1. Androgenetic alopecia (AGA), also known as male-pattern baldness or female-pattern baldness, is a common condition that causes hair loss in men and women. It is caused by a combination of genetics and hormones.

2. Alopecia areata is an autoimmune condition that causes hair loss in round or oval patches. It can affect any area of the body, including the scalp, eyebrows, eyelashes, and beard.

3. Telogen effluvium is a temporary form of hair loss that is caused by a variety of factors, such as stress, illness, childbirth, or certain medications.

4. Anagen effluvium is a rare form of hair loss that occurs when the hair follicles are damaged or destroyed. It can be caused by chemotherapy, radiation therapy, or certain drugs.

5. Tinea capitis, also known as ringworm of the scalp, is a fungal infection that causes itchy, scaly patches on the scalp. It can also cause hair loss.

6. Trichotillomania is a psychiatric condition that causes people to compulsively pull out their own hair. It can lead to significant hair loss.

7. Folliculitis is an infection of the hair follicles. It can cause itchy, red bumps on the scalp, which can sometimes lead to hair loss.

8. Lichen planopilaris is a chronic skin condition that causes inflammation of the hair follicles. It can lead to permanent hair loss.

9. Cicatricial alopecia is a group of hair loss conditions that cause scarring of the scalp. It can lead to permanent hair loss.

10. Pseudopelade of Brocq is a rare hair loss condition that causes patchy areas of hair loss on the scalp. It is often associated with scarring and inflammation.