Why Correlation Matters

Correlation: Causation’s Main Ingredient

“Correlation doesn’t equal causation!” It’s the rally cry against dubious science and irrational claims. And it’s true. But just because correlation doesn’t equal causation doesn’t mean correlation isn’t critical for establishing causation.

Correlation doesn’t equal causation just as an egg...

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Statistical Significance is Not What Matters

What is statistical significance?

One of the most confusing aspects of a clinical trial is how researchers can say with certainty that the results they found are truly due to the treatment and not to random chance. This distinction is determined by statistical significance. Significance is a complex (and highly controversial) topic, but most studies set significance at .05. This means that...

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Evidence Based Medicine

Defining Buzzwords

“Evidence based medicine” may be one of the latest buzzwords in both natural health and mainstream medicine, but for all of its hype, it is rarely found–in either model of healthcare.

“Evidence based medicine (EBM) is the conscientious, explicit, judicious and reasonable use of modern, best evidence in making decisions about the care of individual...

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Why are some studies wrong?

The only guarantee is there are no guarantees

One unfulfilled expectation of science is flawless accuracy. Unlike math, where formulas are always right and answers stay the same across millennia, health science is the attempt to explain and apply findings from an ever-evolving and changing planet to the current state of human wellbeing. What was effective 100 years ago is no...

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Ear Infection Treatment: An Evidence Based Approach

Ear infections (otitis media) are one of the most common illnesses of childhood and the primary cause for antibiotic use in children, costing the U.S. roughly $5 billion each year. They are serious business, whether you are a parent or practitioner.

According to the CDC, approximately 75% percent of children have one by the age of three and almost half of them have 3 or more ear infections by...

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Cross Sectional Study

A cross sectional study provides information about the burden of disease within a population and the relationships between various exposures and outcomes. These do not use experimental methodology but are extremely beneficial scientific studies, especially for identifying risk factors, studying beliefs and attitudes about a given subject, and learning more about factors...

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Cause and Effect in Health Science

We have all heard the mantra “correlation does not equal causation.” This helps to ensure that causation is not assigned where it should not be assigned. But that begs the question, what does establish causation?

Causation is notoriously difficult to establish, but that does not mean that it is difficult to recognize. While there are numerous methods used to establish...

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