In a 1965 address, epidemiologist Austin Bradford Hill introduced nine criteria that researchers should consider before declaring that A causes B. Here's a concise summary of his presentation.
correlation versus causation
Isn't it odd that Florida has so many people living with Alzheimer's? If Erin Brockovich was investigating the case, she probably would conclude that it's something to do with the water.
Since there's no known cause for the majority of ALS cases, any new (even bad) research is widely cited. A new study in JAMA Neurology claims to find a link between five chemical compounds and the disease, but it's just a loose correlation coupled with other confounding data. It all should be taken with a very large grain of salt.
There are many ailments that a physician can easily diagnose and health officials can track. For example, the cause of an infection can usually be determined by the presence of an infectious pathogen. The diagnosis of type 1 diabetes is easy to establish. The same can be said for asthma, strep throat, or
How many times in the last week have you seen headlines such as Coffee as a memory booster, or How Diet Soda Makes You Fat? Well, according to a study conducted by researchers in