1- A positive PCR test corresponds to an active infection by the virus In fact a positive PCR test can only confirm the presence of part of the virus, it
The closing of schools is the wrong response to fight the coronavirus pandemic, and did not help in the fight against Covid-19, it simply removed a system that provides children
The Covid mortality rate is more associated with social factors such as life expectancy, the public health context, the economy and financial support, and the environment (temperature and UV), than
The first RCT study published on masks in the context of this pandemic found no statistically significant differences regarding the protection of their users. Historical background For decades research has
The usefulness of masks in the prevention of respiratory diseases is something very intuitive. If we want to prevent any agent from infecting us, putting something in front of our
The taxi problem (classic example of the base rate fallacy) There are two taxi companies in a city: one is GREEN, the other is BLUE. 85% of taxis are blue
Many people believe that we only use a small part of the brain. In an online survey conducted in the United States, the majority (65%) of the more than 2000
One of the most important issues in the interpretation of different scientific studies is the degree of evidence that each represents. The pyramid of scientific evidence is an excellent representation
Every day we are informed about the number of new infections by the “new coronavirus”, also known as “Covid-19 cases”. However, do the reported cases all correspond to infected people?
The emergence of modern science was one of mankind's greatest achievements. The scientific method has provided the accelerated production of evidence-based knowledge.
The heuristics of availability is one of our most important evolutionary legacies. It represents a process of cognitive simplification that leads us to perceive the frequency of certain events based