"WHy arnet any segemetts on Liver Flushing or bowl cleansingo n da news."
That's because there's no money to make with those things. Pharmaceutical companies want you to buy their Benzoyl gels, pills and other non-working scams again and again because they DON'T WORK so you'll just keep taking them untill they work. If they worked too good, you could just use it once and never buy it again right? If everybody had a healthy lifestyle those companies just couldn't survive because nobody would "need" (or think they need) their products anymore.
Don't expect anything in the mainstream to REALLY help you with your health. There won't be any research on fasting and there won't be any research on the Liver Flush made by normal "scientists". They just don't care because there's no money to make with those.