Since 1996 WHN is the second oldest medical website on the net, second only to the American Medical Association, servicing over 35,000 physicians and scientists worldwide.

Non-Profit Trusted Source of Non-Commercial Health Information

What nap times reveal about your child's brain development

Bedtime Technology Linked To Higher BMI And Less Sleep In Children

Infants who nap a lot have smaller vocabularies and poorer cognitive skills — according to new research from the University of East Anglia. Parents the world over are prone to worry about their children getting either too little or too much sleep. But a new study published today reveals that some children are more efficient …

Read more

Americans' IQ scores are lower in three domains and higher in one

High IQ in Childhood Linked to Longevity

Americans’ IQ scores are now lower in 3 of 4 areas Scores of verbal reasoning, matrix reasoning and letter and number series declined; scores of 3D rotation generally increased The study provides evidence of a reverse ‘Flynn Effect’ in the U.S. between 2006-2018 for composite scores ‘If all the scores were going in the same …

Read more

Cognitive Decline Begins in Mid-Life

Cognitive Decline Begins in Mid-Life

Large-scale prospective study reveals that on all cognitive measures except vocabulary, linear declines start as early as age 45. Whereas global life expectancy is on the rise, the maintenance of cognitive health becomes a public health priority, since poor cognitive status is considered a major disabling condition in old age.  Previous studies have established an …

Read more