Understanding Hair Growth Cycles and Hair Loss
Below is a MRR and PLR article in category Health Fitness -> subcategory Hair Loss.
Understanding Hair Growth Cycles and Hair Loss
Summary:
Hair loss is classified by dermatologists based on the part of the hair growth cycle that is impacted. This article explores the relationship between hair loss and hair growth cycles, distinguishing normal hair loss from abnormal patterns, and explains why hair might not grow beyond a certain length.Hair Growth Phases:
Hair loss and growth are integral parts of our natural cycle, with daily hair loss ranging from 50 to 125 strands. True hair loss occurs when these lost hairs fail to grow back or when daily loss exceeds this normal range.Causes of Hair Loss:
- Medications: Treatments like chemotherapy or blood thinners can damage hair in the telogen phase, leading to fragile hair prone to breakage.- Vitamin A: Excessive intake can also trigger hair loss.
- Resting Phase (Telogen Phase): The most common form of hair loss occurs when a higher number of hair follicles enter the telogen phase.
Hair Growth Phases Explained:
While hair undergoes continuous growth, it cycles through three distinct phases, each impacting various parts of the scalp differently. At any time, most hair is in the growth phase:1. Anagen Phase (Growth Phase): Lasting from 2 to 8 years, this phase involves rapid cell division at the hair root, allowing the hair shaft to lengthen. A shorter anagen phase limits hair growth length.
2. Catagen Phase (Transition Phase): Spanning 1 to 2 weeks, this phase sees the outer root of the hair follicle shrink and attach to the hair root, pausing hair growth.
3. Telogen Phase (Resting Phase): Over 5 to 6 weeks, hair does not grow but remains anchored in the scalp. As this phase concludes, new growth occurs, pushing out old hair and leading to natural shedding.
Male Pattern Baldness:
In conditions like male pattern baldness, more hairs enter the telogen phase, increasing shedding. Over time, hair becomes thinner and shorter until the follicles cease activity altogether.By understanding these phases, we gain insight into what constitutes normal and abnormal hair loss, and how the growth cycle affects hair's overall health and length.
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