Category: Limits of observational studies


Wording on “Low vitamin D boosts Alzheimer’s/dementia risk” is wrong

3 7/29/2014

6th time I’ve called out BMJ news releases on observational studies

7 6/11/2014

BMJ news release on red meat & breast cancer may have misled reporters again

17 1/22/2014

Misleading BMJ news releases may be one reason journalists report on more observational studies


Journalists have “systematic bias” to cover weaker studies

2 11/22/2013

Nuts and death – journal animated video explanation


Miracle medicine? Or caution, controversy, questionable methodology?

2 10/17/2013

Bacon bad for your sperm – news stories hit below belt again


The NY Times Well blog isn’t always so well


ICYMI: another association ? causation case with labor induction & autism risk