 [ Symptoms ] what does cannabinoids ur mcnc 40 ngml mean my first urine test showed cannabinoids ur mcnc 40 ngml then 30 days later the results showed cannabinoids ur mcnc 66 ngml my question is have my levels gone up or have they gone down [ Disease ] most people who have a well rounded diet will be able to maintain healthy skin however to really brighten the skin i recommend ingesting plenty of beans berries and citrus foods which are high in vitamin c and other antioxidants lycopene is a powerful antioxidant that can combat damaging free radicals in the skin it can be found in raw tomatoes watermelon pink grapefruit and papaya among others