Sweating It Out may Help Reveal Your Health Status

Learning about your sweat may help provide new insights into the state of your health as per a new study.

Learning about your sweat may help provide new insights into the state of your health as per a study at Simon Fraser University.

Although sweating it out through exercise may be a New Year’s resolution but new study unlocks its further benefits.

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‘Learning about your sweat may help provide new insights into the state of your health as per a new study.’

SFU researcher Woo Soo Kim is part of an international research team that is developing a low-cost, 3D-printed wearable sweat sensor. The research is being carried out in SFU’s Additive Manufacturing Lab in collaboration with researchers from Zhejiang University. The team recently published a sweeping review of sweat sensor advances in the journal Bio-Design and Manufacturing.

According to Kim, innovation in technology design over the past decade has seen the rapid development of wearable sensors—including sweat sensors. These wearable sensors can assess an individual’s health by analyzing the chemicals and other health information contained in sweat.

Unlike collecting and testing other biofluids such as saliva or blood, the method is non-invasive and does not require assistance.

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These sweat sensors can monitor human biochemical information during exercise, including ions or lactate levels, which can serve as indicators of hydration and overall physiological and psychological wellness. The data collected can also play a role in assessing various health factors, including stress and nutrition.

“The chemical composition and physical information derived from sweat are of great value in terms of how it reflects human health status,” says Kim. “Direct sweat collection from the skin surface is an easy-to-perform, straightforward method that avoids privacy concerns in physical implementation. These features mean that sweat has the potential to become a widely accessible sample type that can be monitored in a non-invasive manner.”

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While there is a growing range of low-cost wearable sensors that can collect and analyze sweat to assess a person’s health, Kim’s 3D printable model integrates mechanically flexible electro-chemical sensors and wireless communication functions.

Typically, sensors can be attached to the skin using a flexible material such as foam, fabric, flexible plastics, or rubber and ideally, be powered by wireless chargers.

Sweat metabolites can provide important information that can effectively be used to evaluate the wearer’s overall health condition, notes Kim. However, he cautions that further research is needed to verify the correlation between information from sweat and blood, using in-vivo validation tests to advance meaningful bio-medical applications.

Source-Eurekalert