JAKARTA - In addition to supporting appearance, hair turns out to have a lot of information regarding the condition of the human body. Experts even call hair a natural 'natural biological archive', which can reflect a person's health status.
Every cent of the hair stores biological data for about a month. This means that by analyzing hair, doctors can detect traces of drugs, heavy metal toxins, chronic stress levels, to a person's compliance with taking drugs.
"The hair foil works like a mini kidney. It absorbs various compounds from the body, including toxic substances, then stores them in the hair stem," said dermatologist Dr. Rafl Whale, quoted from the New York Times, on Monday, October 27, 2025.
Therefore, hair is often used in forensic examinations and health research, to determine exposure to certain substances in the long term. Thus, the condition of the hair must be very much considered because it can be a sign of serious health problems, such as below.
1. Severe hair loss
Severely collapsed hairs of more than 100 strands per day can be a sign that the body is experiencing physical or emotional pressure. Some of the common causes are lack of iron, protein, or complex vitamin B, thyroid disorders, severe stress, extreme weight loss, and post-born effects.
This condition is known as the efluvium telogen, where hair follicles enter the rest phase faster. Hair can grow again within 3 to 6 months after the cause is resolved properly.
Hair loss is often not just a cosmetic problem. It can be a sign that the body is overwhelmed and needs to be considered," said molecular genetics expert dr. Angela Christiano.
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2. Dry hair, brittle, and easily broken
This hair condition can indicate an important lack of nutrients, such as essential fatty acids, zinc, and vitamin D. In addition, autoium diseases such as lupus or thyroid hormone disorders can also change hair texture.
3. The appearance of gray hair is faster
Although it can occur due to genetic factors, gray hair that appears too early can also indicate high oxidative stress in the body. Some studies reveal chronic stress can damage pigment-producing cells (melanocytes) in hair follicles, so hair color fades faster.
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