Quantcast
issue
Read articles, including Science News stories written for ages 9-14, on the SNK website.
INFECTIOUS TREND

Even though people tend to get more sun-triggering vitamin D in summer and less in winter, for every season the same relative trend emerged: People with the least D (orange) were most likely to have had a recent infection of the upper respiratory tract. Credit: Adapted with permission from Archives of Internal Medicine

Follow Us
blogs & columns
multimedia
Not to miss
bookshelf