Whilst it might be comforting to know that humans are not alone in suffering hair loss (primates such as monkeys also experience thinning on their head) – understanding the causes of hair loss means we can take proactive action. Even though genetics does play a part, new research has uncovered a nutritional deficiency link in both men and women. And other factors, such as stress, and poor hair care, are well within our capacity to change.
The genetic link in hair loss has been well studied. It is associated with male and female pattern hair loss, or alopecia. In these people there is an increased sensitivity to the sex hormone, DHT. DHT stands for dihydrotestosterone, and can be a powerful metabolite of testosterone. It contributes to men’s special gender characteristics, also as facial and body hair, and also the deepening of men’s voices at puberty.
DHT causes the growth cycle of hair follicles to shorten, which in turn reduces the size of the hair shaft. Increasingly narrower hair is grown, sometimes as fine as fluff, and in much more extreme cases, there is certainly complete hair loss in that region.
In women, estrogen usually counteracts the effects of testosterone. But when females go through menopause, or suffer hormonal imbalances, the reduction in estrogen can lead to female pattern baldness. Fortunately, this is not as drastic in its hair loss effects as male pattern baldness. Instead the hair tends to thin, and also the crown parting becomes wider.
But a really fascinating study by L’Oreal has linked an iron deficiency to hair loss, in both men and ladies. This was a placebo controlled, double blind study in which 13,000 healthy men and females took a supplement, and had the ferritin (iron) levels in their blood measured and cross referenced with details on their hair loss.
The outcomes showed not only a link between hair loss and iron deficiency, but they were able to estimate the risk of hair loss in a specific level of iron deficiency. For example, ladies whose blood ferritin levels dropped from a typical 70g/l to 40g/l, had a 28% higher chance of severe hair loss. The post menopausal women in the study who had severe hair loss all had much lower levels of iron than the females who didn’t have severe hair loss.
The issue with iron supplementation, nevertheless, is that excess iron builds up within the body’s tissues and becomes toxic. It has been connected with an increased risk of developing chronic illnesses. Iron levels could be tested by a physician, so if hair loss is really a concern, its finest to get your iron levels tested very first just before taking iron supplements.
Other prospective causes of hair loss – or at the very least, contributing factors are tension and poor hair care practices. Not brushing hair frequently, or washing it frequently, can impact the regular hair growth cycle.
When hair that’s naturally at the end of its life cycle is removed by means of brushing, it enables an additional hair to grow underneath it. Regular brushing naturally removes dead hair that’s ready to fall out. Not removing that hair means new growth can’t happen, as the old hair smothers the new growth. Dirt and oil build up can have a comparable effect, so its essential to wash hair frequently.
Stress can have an effect on the circulation of nutrients and oxygen to the scalp, by causing the muscles in the scalp to tighten. If this happens over a lengthy period of time, premature hair loss can occur. This cause of hair loss is distinct from male pattern baldness (which is hormonal), however it can undoubtedly exacerbate the condition. And stress reduction strategies are straightforward points that will be added to a every day routine, to stop hair loss, and boost the overall quality of life.
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