Recommended Reading / Viewing. 1  Your engine manufacturer's operating instructions. 2  Mixture Magic (John Deakin) 3  EGT, CHT, and Leaning (Mike Busch) 4  Leaning Basics (EAA/Mike Busch) (video) 5  Leaning: The Advanced Class (EAA/Mike Busch) (video)
PCBs are a probable human carcinogen. Studies of PCBs in humans have found increased rates of melanomas, liver cancer, gall bladder cancer, biliary tract cancer, gastrointestinal tract cancer, and brain cancer, [1] and may be linked to breast cancer. PCBs are known to cause a variety of types of cancer in rats, mice, and other study animals. [2].
Learn about the role of beneficial bacteria and how it supports your immune system. Most people have the idea that bacteriaâany bacteriaâare harmful.Nothing could be further from the truth. Our environment is covered with bacteria. Your body and practically everything you come into contact with is covered with bacteria.earn about the role of beneficial bacteria and how it supports your immune system. Most people have the idea that bacteriaâany bacteriaâare harmful.