BABIES who are breastfed for longer turn into brighter adults. Researchers looked at the IQ scores of more than 3000 Danish men and women, born in 1959 and 1961, from tests they took between their late teens and late 20s. They then compared the scores with how long they had been breastfed as infants. Those who were nursed through their first nine months scored higher later in life than those who were nursed for only a month or two (The Journal of the American Medical Association, vol 287, p 2365). Mother’s milk may contain nutrients that nourish developing brain cells,…
To continue reading, today with our introductory offers
Advertisement
More from New Scientist
Explore the latest news, articles and features

Mind
The relationship recession is even bigger for Gen Z than we thought
News

Technology
Killer robots are here – we must finally decide whether to accept them
Leader

Technology
Quantum computer quickly mines cryptocurrency while using less energy
News

Mind
How to sparkle in conversation with strangers
Comment
Popular articles
Trending New Scientist articles
1
Fully autonomous drones have killed human soldiers for the first time
2
The relationship recession is even bigger for Gen Z than we thought
3
Understanding anorexia’s grip on the brain could unlock new therapies
4
Solar farm on the ocean outperforms land-based solar in Taiwan
5
Red-light therapy does have health benefits but not the ones you think
6
How a radical new view of life could reveal its origin – and aliens
7
First working nuclear clock heralds a new era in timekeeping
8
Mysterious ‘cold blob’ in the Atlantic suggests the AMOC is weakening
9
Does gravity create reality? A shocking path to a theory of everything
10
Is geothermal energy on the cusp of a worldwide renaissance?