So much medical research is pretend-science

Medical researchers are somehow allowed to get away with statistical murder. It upsets me to read the article in Forbes titled "Pet Owners May Have Lower Risk For Heart Disease." (link) This article takes the form of many other similar articles that purport to find an association between some risk factor and a common disease. Note they always use the weasel word "may". If you see this word, and immediately trash the article, you won't be any worse off than the people who read the article. The weasel word will inevitably lead to "causation creep". There it is in sentence...