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A brand new examine finds that common solar publicity might act as a “pure fats burner” within the physique.
UV rays scale back ranges of hunger-control hormones within the physique, stimulating urge for food, however on the similar time improve the stress hormone norepinephrine, which will increase lipolysis and prevents weight acquire. It additionally causes energy-storing white fats to transform into energy-burning brown fats, in keeping with research in mice.
A analysis workforce at Seoul Nationwide College Hospital in South Korea believes there could also be a method to harness the advantages of ultraviolet radiation to deal with weight problems with out rising the chance of most cancers.
The analysis workforce discovered that mice uncovered to ultraviolet radiation for 12 weeks didn’t acquire weight no matter whether or not they ate a standard weight loss program or a high-fat weight loss program.
UV rays trigger elevated ranges of the neurotransmitter norepinephrine, which performs an important function within the physique’s fight-or-flight response. It additionally helps regulate blood sugar ranges.
The researchers famous that elevated norepinephrine secretion within the physique breaks down fats shops for vitality, burning extra energy with out rising bodily exercise.
Though the mice consumed extra energy when their urge for food elevated, the physique prevented weight acquire by changing white fats into brown fats after which storing it beneath the pores and skin, changing it into vitality.
“This examine demonstrates the mechanism by which UV publicity can improve urge for food whereas stopping weight acquire,” stated Dr. Jin Ho Chung, lead researcher and dermatologist at Seoul Nationwide College Hospital.
“Publicity to UV rays not solely impacts the pores and skin, but additionally performs a profound function within the physique’s vitality metabolism and homeostatic processes,” he added. This does not imply individuals ought to sit for hours on finish with out utilizing sunscreen. Within the solar, or sitting on a tanning mattress.
It’s price noting that UV rays can harm DNA in cells, which may accumulate over time and result in most cancers.
The examine was revealed within the Journal of Dermatology Analysis.
