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Continuous use without cycling can lead to receptor desensitization, diminishing returns, and unknown long-term effects

a condition that makes healing difficult when bones are broken

Studies also report reduced inflammatory cytokine activity, improved microvascular integrity, and beneficial effects on pain modulation through peripheral and dopaminergic mechanisms

The problems named alongside them are chronic insomnia and sleep disorders generally, with comparisons drawn against conventional sleep aids and the prescription z-drugs, and against melatonin as the familiar over-the-counter option, with GABA appearing as the neurotransmitter most sleep products point at