A New Way to Establish Cause and Effect in Epidemiology?
A New Way to Establish Cause and Effect in Epidemiology?
A technique called Mendelian randomization is overturning the conclusions of observational studies in public health. But researchers question whether the method can overcome its fundamental limitations.
A New Way to Establish Cause and Effect in Epidemiology?
A New Way to Establish Cause and Effect in Epidemiology?

A technique called Mendelian randomization is overturning the conclusions of observational studies in public health. But researchers question whether the method can overcome its fundamental limitations.

A technique called Mendelian randomization is overturning the conclusions of observational studies in public health. But researchers question whether the method can overcome its fundamental limitations.

observational
Sweetened Drinks Linked to Higher Mortality Risk
Sweetened Drinks Linked to Higher Mortality Risk
Catherine Offord | Mar 19, 2019
While sugary beverages seem to be the worst offenders, artificially sweetened drinks might also be associated with health problems, an observational study suggests.
Maternal Obesity and Diabetes Linked to Autism in Children
Maternal Obesity and Diabetes Linked to Autism in Children
Sukanya Charuchandra | Oct 1, 2018
Inflammation may be a strong contender for the connection between mom’s weight and children’s neurodevelopment, according to lab studies on animals.
Different Alcoholic Drinks Tied to Different Moods
Different Alcoholic Drinks Tied to Different Moods
Catherine Offord | Nov 21, 2017
An online survey finds that people report feeling most relaxed with a glass of red wine or beer, and most aggressive when drinking spirits.
Human Presence Influences Chimps’ Hunting Habits
Human Presence Influences Chimps’ Hunting Habits
Diana Kwon | Jun 26, 2017
Researchers find differences in predatory behavior between a long-observed chimp tribe and a recently habituated one. 
Opinion: Biased Observers of Nature
Gordon M. Burghardt and Todd M. Freeberg | Jul 9, 2012
Potential biases in scientific data collection and analysis should be minimized.