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SIRT1 is part of a family of proteins called sirtuins, known as longevity genes. It uses NAD+ as a fuel source to repair DNA, reduce inflammation, and improve stress resistance
Oral supplements are more accessible but may not raise NAD+ as dramatically
Lung glutathione adaptive responses to cigarette smoke exposure
A lower GSH:GSSG ratio may indicate increased oxidative burden, environmental stress exposure, metabolic strain, or impaired recovery capacity
May 14, 2026 May 14, 2026 18 min We're all fans for something, whether it is our favorite book, movie or TB show
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