Category: Limits of observational studies


Half-baked coverage of potatoes and gestational diabetes


Media case study: PR news release vs. news stories on mammography screenings for older women

2 1/6/2016

How the sausage inside a nutrition study is made


False positive mammograms and cancer risk: An epidemiological whodunit

12 9/22/2015

More BMJ overstatement about an observational study — this time it’s antidepressants and violent crime

3 9/14/2015

Low pulse = higher crime rate? Cause-and-effect confusion in heart rate/crime stories

1 9/9/2015

Yo-yo stories on optimum weight and Alzheimer’s risk — inappropriate language keeps readers’ heads spinning

1 8/26/2015

Randomized trials are no panacea for what ails nutrition research

2 8/18/2015

Coffee, colon cancer, and caveats about observational studies

1 8/5/2015

Troubled BMJ news release on young fathers & early death risk