Hair Loss (Alopecia)
Information about male pattern baldness(秃顶) causes, triggers and treatment in the UK.
In contrary to popular belief, hair lossor alopeciacan start at any age. While it is associated with mature males, and statistics show it does mainly affect men above 40, the reality is you can notice symptoms in your 30s, or even 20s and teen years. The NHS statistics state that 25% of men start losing their hair by the time they reach 30. The most common form of hair loss is male pattern baldnessalso known as androgenic alopeciathat affects more than half of men around the world.
One option many men seek is treatment to avoid further hair loss, especially early on in the process. With treatments, such as Propecia, that specifically target male pattern baldness, it is possible to stop hair loss completely and even encourage fresh new hair growth.
What is alopecia?
Alopecia is the medical term for hair loss. Most commonly affecting males, hair loss in men is caused by an increased sensitivity to the male sex hormones (androgens). The type of alopecia you have (as well as hereditary and external factors) can influence levels of hair loss. The most common type of hair loss (alopecia) is male and female pattern baldness. Other types include：
* Alopecia areata (patches of baldness, usually on the scalp)
* Scarring alopecia (hair loss directly affecting the hair follicles)
* Telogen effluvium (hair thinning over a larger area on the top of the head, rather than bald patches)
* Anagen effluvium(most commonly caused by cancer treatments such as chemotherapy and radiotherapy)
