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Fresh cannabis plants are around 80% water (all %'s by weight); curing generally begins after the cannabis has lost half of it's initial mass, and contains approximately 33% of it's initial water.
A Rare Form of Cancer. The good news for marijuana smokers is that testicular cancer is very rare. Only 1% percent of all cancers in American men are testicular cancer. About 8,000 men are diagnosed with the cancer each year, and 390 die each year from the disease.