Thus, to derive a contemporary estimate of IQ for Goodenoughs participants, we generated new mental age scores for each participant by applying the best age-predicting regression model to corresponding drawing metrics, dividing this predicted age by true chronological age, and multiplying by 100
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The study combined and standardized data from 1,518,028 individuals across 112 cohort studies in 34 countries and 8 geographic regions (North America, Latin America, Western Europe, Eastern Europe and Russia, North Africa, the Middle East, sub-Saharan Africa, Asia, and Australia)
Yes, secondhand smoke can irritate and inflame the tonsils, increasing the risk of tonsillitis
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