CYP1A1 and GSTM1 polymorphisms and lung cancer risk in Chinese populations: A meta-analysis
Malignancy promotion: IGF-1 is a growth factor that can theoretically accelerate proliferation of existing, undetected tumor cells
For physically active people, runners, or gym-goers, this is gold-standard information
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Sports Phys
B12 is Found Naturally in Animal Products Vitamin B12 is produced almost exclusively by bacteria and is concentrated in animal foods: beef and lamb (highest density), fish and shellfish (especially salmon, trout, clams), dairy, and eggs