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Is There A Relationship Between Weight Loss & Hair Loss

weight loss and hair loss

Hair loss is never a welcome occurrence, regardless of age or gender, but did you know that there is a strong relationship between weight loss and hair loss?

Hair loss, for the most part, is unavoidable to some degree, however, by understanding what contributes to the loss of hair, you will be able to slow down the process and potentially slow down the onset.

Common Causes of Hair Loss.  


Pattern baldness is commonly thought only to affect men, but the condition can also affect women too. Female pattern baldness presents itself quite differently to that seen in men, usually thinning hair around their parting and at the crown of the head, as opposed to the front of the hairline.

Individuals with a family history of pattern baldness are far more likely to experience the condition themselves.    

Hormonal changes.  

Hormones are responsible for many of the bodies regulating functions, including the growth of hair on the head, face, and body.  

While increased testosterone levels can see an increase in body and facial hair,  changes in androgen levels result in a thinning of head hair and even significant hair loss.

Approximately 66% of women will experience postmenopausal hair loss to some degree, usually as a result of hormonal changes and stress.

weight loss and hair loss symptoms

Nutritional Deficiencies.  

Nutrition plays a significant role in the general health and wellbeing of the body, and when nutrient deficiencies present themselves, so can adverse effects on the body, including hair loss.

Having an iron deficiency is known to result in the thinning of hair. While iron supplementation can help to manage and set the deficiency straight, there is little evidence to support their effectiveness for reducing the subsequent hair loss.  

Low calorie, and in particular low protein diets can also lead to hair loss. This is because if the body is not supplied with the right nutrients, it will be unable to maintain regular function efficiently – including the function of hair follicles. 

Physical and Emotional Stress  

Stress is one of the many contributing factors of hair loss, as well as many other health problems.

Stress can affect the body in a very profound and impacting way, both physically and emotionally. Elevated levels of stress can drastically impact hormonal levels and body weight – both of which can contribute to hair loss.    

Common Causes Of Weight Loss.  

Diet and exercise are the main influencers of body weight and subsequently, weight loss.  

Usually regarded as achieving a calorie deficit, consuming less calories then what you burn off in a day, is the basic formula of losing weight.

A calorie deficit can be reached by either eating less or exercising more, but the best way to do it, is to implement a balance of the two.  

Eating a healthy, nutritionally dense diet that is equal to your basal metabolic rate (calories that your body requires for basic function) and keeping active to burn additional calories is the best way to lose weight in a controlled, considered way.

hair loss due to rapid weight loss 

Crash diets can be tempting and fairly easy to follow. However, it is important to remember that hair loss due to rapid weight loss is not uncommon. Rapid weight loss is also what causes weight loss and fatigue to be so commonly affiliated.

Are They Related?

Weight and hair loss symptoms are somewhats inter-connected, but this does not mean that everyone who loses weight is going to experience hair loss.  Weight loss can, in fact, reduce the onset and severity of hair loss in many individuals.

How can weight loss cause hair loss?  

Weight loss under normal conditions should not cause many, if any, health concerns, however, rapid weight loss can be taxing on the system, and end up putting too much stress on the body as a whole.  

Rapid weight loss can cause fatigue, stress, and hormonal imbalances, which can all lead to a thinning of the hair.  

Those who are looking for rapid weight loss, often attempt to do so through crash diets and limiting their intake of certain foods.

By skimping out on essential nutrients, the body will not be able to get all of the goodness that it needs, leading to a decline in proper bodily function – including the growth of hair. 

How can weight loss prevent hair loss?  

Weight loss can have many health benefits for those who are overweight, including the indirect prevention of hair loss.  

Holding less body fat does not itself prevent hair from thinning, but the effects that it can have on the body can.  

Weight loss is excellent for keeping hormones in check and reducing general stress levels. Having hormone imbalances and elevated levels of stress are both known to increase the onset of hair loss.    

Other Symptoms That Are Related.  

Specifics aside, are weight loss and hair loss truly connected?

In a word, yes! Weight loss and hair loss do share some common ground, mostly in terms of hormones and stress, but the main correlation is that of general health.

what causes weight loss and fatigue 

If the general health of both the mind and body are in good check, then the risk of hair loss will be reduced. If the body is not working at its best due to illness, stress, or nutritional deficiencies, then the onset and rate of which hair loss happens can increase.