Dermatologists find ultraviolet irradiation increases appetite but prevents body weight gain
Briefly

UV exposure affects norepinephrine levels, decreases leptin levels, and induces the browning of subcutaneous fat, potentially increasing energy expenditure.
UV radiation has both detrimental effects like sunburn and beneficial effects such as vitamin D synthesis, highlighting its multifaceted impact on the skin.
UV exposure limits body weight gain in mouse models of obesity, despite not directly reaching subcutaneous fat, suggesting a systemic role in regulating energy homeostasis.
Consistent UV radiation led to increased appetite in mice but inhibited weight gain by impacting neurotransmitter secretion, revealing a potential mechanism for modulating obesity.
Read at ScienceDaily
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