Can You Smell Your Own Body Odor? the Issue - Neurosurgery

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Can you smell your own body odor?


Since around the fourth grade, I have often heard people around me say, "What a bad smell, what is that?" or they would give me strange looks.
Gradually, I realized that I might have body odor, but I can't smell it myself.
I'm unsure how to improve the situation and even more uncertain whether it is body odor or another underlying condition.
Thank you.

awis, 20~29 year old female. Ask Date: 2002/09/02

Dr. Xu Xianda reply Neurosurgery


If it has caused disruptions in your daily life, please schedule an appointment with a dermatologist.

Reply Date: 2002/09/02

More Info


Body odor is a common concern that many people experience, and it can be particularly distressing when one is unaware of their own scent. The phenomenon of not being able to smell one’s own body odor is not unusual and can be attributed to several factors, including physiological, psychological, and environmental influences.

Firstly, it’s essential to understand that everyone has a unique body odor, which is influenced by various factors such as genetics, diet, hygiene practices, and hormonal changes. The human body produces sweat, which is odorless when secreted. However, when sweat comes into contact with bacteria on the skin, it can produce an odor. This is particularly true in areas with a high concentration of sweat glands, such as the armpits and groin.

One reason you might not be able to detect your own body odor is due to a phenomenon known as "olfactory fatigue" or "olfactory adaptation." This occurs when your olfactory receptors become desensitized to certain smells after prolonged exposure. Essentially, your brain learns to ignore the constant scent, which can make it difficult for you to recognize your own body odor, even if others can smell it.

Another factor to consider is the psychological aspect of body odor perception. Sometimes, individuals may have a heightened sensitivity to the opinions of others, leading to anxiety about their scent. This anxiety can create a feedback loop where the individual becomes overly focused on their body odor, which can further distort their perception of it.

If you are concerned about body odor, it is crucial to evaluate your hygiene routine. Regular bathing, using antibacterial soap, and applying deodorant or antiperspirant can significantly help manage body odor. Additionally, wearing breathable fabrics and ensuring that your clothes are clean can also make a difference.

In some cases, persistent body odor may indicate an underlying medical condition. Conditions such as hyperhidrosis (excessive sweating), certain metabolic disorders, or infections can contribute to unusual body odors. If you suspect that your body odor is not typical or is accompanied by other symptoms, it would be wise to consult a healthcare professional for a thorough evaluation.

Diet can also play a significant role in body odor. Foods such as garlic, onions, and spices can alter your scent. Similarly, a diet high in processed foods and sugars can affect your body’s natural odor. Staying hydrated and consuming a balanced diet rich in fruits and vegetables can help mitigate unpleasant odors.

Lastly, if you are experiencing social anxiety or distress due to concerns about body odor, it may be beneficial to speak with a mental health professional. They can help you address any underlying issues related to self-esteem or body image that may be exacerbating your concerns.

In summary, while it is common not to smell your own body odor due to olfactory adaptation, it is essential to maintain good hygiene practices and consider dietary and health factors that may contribute to body odor. If the issue persists or causes significant distress, seeking professional advice is a prudent step. Remember, open communication with trusted friends or family can also provide valuable feedback and support as you navigate this concern.

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