But he noted that biomedical journals such as Annals of Internal Medicine, the Journal of the American Medical Association and The Lancet pay strong attention to statistical review.
"I've seen very expensive protein supplements that claim to be high quality but they might not really be beneficial for the average healthy adult,"she says.
Since 1990 many posters have been printed double-sided which allows them to be placed on light boxes in cinemas. These posters are rarer and hence very collectable.
Group membership is of elementary importance to our wellbeing and because humans are very sensitive to signals of exclusion, a silence is generally taken as a sign of rejection.