Tuesday

07-15-2025 Vol 2022

Understanding Body Odor: The Impact of Diet and Aging

Recent discussions on social media have revived interest in the connection between diet, aging, and body odor.

The phenomenon often referred to as ‘old people smell’ has sparked curiosity and concern among many.

Experts, including New Jersey-based dietitian Erin Palinski-Wade, emphasize that certain foods can significantly influence body odor.

Research indicates that individual skin bacteria and their reaction to sweat are key factors in how body odor develops.

Among the most commonly discussed foods affecting scent is seafood.

While many are familiar with the innate ‘fishy’ smell associated with seafood, this food can alter a person’s overall scent in unexpected ways.

An extremely rare condition known as trimethylaminuria causes some individuals to produce a fishy odor after consuming seafood or other choline-rich foods such as beans, broccoli, and cauliflower.

According to the Cleveland Clinic, this condition causes the body to convert a byproduct of seafood into a compound called trimethylamine, which is released through breath and skin.

Importantly, this condition only impacts a small number of individuals, allowing most people to consume seafood without concern.

Furthermore, cruciferous vegetables, although celebrated for their health benefits, can also contribute to body odor.

These vegetables, which include broccoli, cabbage, and Brussels sprouts, release sulfuric acid that can interact with sweat and bacteria on the skin, intensifying their scent.

Dietitian Palinski-Wade suggests that spicy foods also play a role in body odor.

Certain spices like curry and cumin contain volatile compounds absorbed into the bloodstream, subsequently released through sweat and producing a distinct odor.

The consumption of red meat is another dietary factor linked to body odor.

While red meat tends to release odorless proteins during perspiration, the interaction with skin bacteria can enhance the intensity of these odors.

It’s important to note that individuals may experience different effects based on genetic variations, which influence how and to what extent body odors develop from food intake.

To reduce or avoid unpleasant odors, Palinski-Wade recommends dietary adjustments.

Reducing sulfur-rich foods, cutting down on red meat, and limiting spicy foods can make a difference.

Increasing the intake of water, fruits, and vegetables can also help mitigate body odor.

Foods such as apples, leafy greens, yogurt, and green tea might help neutralize compounds responsible for odors and promote beneficial gut bacteria.

Simple lifestyle changes can also promote better body odor.

Regular bathing is crucial, and using antibacterial soap may enhance this effect.

Moreover, wearing breathable fabrics contributes to improved overall scent.

Staying hydrated and focusing on metabolic health—achieved through quality sleep, stress reduction, and regular physical activity—are also suggested to improve body odor, according to Palinski-Wade.

In conclusion, while body odor can vary from person to person based on dietary choices and individual biology, awareness and proactive measures can help manage it as one ages.

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Abigail Harper