Nutrition advice can be confusing. Studies that bolster the health benefits of a food or nutrient seem inevitably to be followed by other work undercutting the good news.
One reason for the muddle is that nutrition studies sometimes depend on people’s self-reporting of past meals. And because people may forget or even lie about what they’ve been consuming, that data can be flawed,...
When I first found out my daughter existed, she was about half the size of a mini chocolate chip.
I was six weeks pregnant; she was four weeks into development. (The pregnancy timer officially begins two weeks before conception.) Already, the structures that would become her eyes had formed rudimentary orbs and the four tiny chambers of her heart were taking shape. At this stage of...
News in Brief
The taste of fat Fat may be ready to join the ranks of sweet, bitter, sour, salty and savory as the sixth basic kind of taste. Fat molecules trigger responses from taste cells in mice by hitting a particular molecular sensor, scientists report in the June 8 Journal of Neuroscience. The results argue against the predominant view that fat is tasteless, loveable for its texture. Mice engineered...
When Lilian Calderón-Garcidueñas recruited children for a study probing the effects of air pollution, Ana was just 7. The trim girl with an above-average IQ of 113 “was bright, very beautiful and clinically healthy,” the physician and toxicologist recalls.
But now Ana (not her real name) is 11. And after putting her and 54 other children...
Tuning In to Science12/18/2007 - 21:49 Humans & Society
In its own way, science is a lot like '60s rock 'n' roll on AM radio. If you're old enough, you remember the slogan: "And the hits just keep on comin'."
With science, the news just keeps on comin'. Somehow, year after year, science never runs out of hit discoveries. From land-based laboratories to the depths of the oceans to remote realms of the cosmos, intrepid...
Food for Thought
If you happen to have an unhealthy penchant for salt, it may not be solely your fault. Mom may have to share some of the blame. Or so suggests a small but intriguing body of research.
The newest of these studies finds that among normal-weight newborns, the smaller a baby is at birth, the more likely it is that he or she will show an early and strong preference for salty fare...