Do the flat tummy detox teas touted by Instagram celebrities actually work? -- Should you eat your baby's placenta? -- Do vaccines cause autism? -- Can autism be cured? -- Are children being paralyzed by the common cold virus? -- Do we inherit trauma from our parents? -- Are genetically modified foods safe? -- How long can you eat leftovers? -- Is MSG addictive? -- Is drinking diet soda linked to Alzheimer's disease and stroke? -- Do mammograms cause more problems than they detect? -- Is it dangerous to be pregnant in America? -- The raging statin debate: Should you take a cholesterol-lowering drug? -- Does aspirin prevent cancer? -- Did the maker of aspirin test medicines in Nazi concentration camps? -- Does the birth control pill cause depression? -- Do vitamin D supplements protect against obesity, cancer and pneumonia? -- Will fish oil supplements prevent heart disease or give you cancer? -- Are heartburn medicines linked to a serious gut infection? -- Were dietary supplements linked to a deadly outbreak of hepatitis?