In addition to its key role in imparting strength to bones and teeth, calcium plays a critical role as a messenger in cell-signaling pathways throughout the body and is necessary for normal cell function, transmission of nerve signals, secretion of hormones, blood coagulation, muscle contraction, and muscle relaxation.
Tag: food and nutrition
Q. Are pine nuts a nut or seed, and should an adult with a severe nut allergy avoid them?
A. John Leung, MD, an allergist, co-director of the Food Allergy Center at the Floating Hospital for Children at Tufts Medical Center and a clinical professor at Tufts’ Friedman School, responds, “Pine
What do we do when we have a nutrition question? Search the Internet, of course. In a 2016 study, 85 percent of people surveyed used the Internet to search for health and/or nutrition information. But not all the information online is reliable.
“Conflicts of interest and biases can impact how information
Fiber for Your Heart
You can obtain much of the dietary fiber you need by eating grains. Tufts’ MyPlate for Older Adults provides examples of choices that are high in fiber, such as whole and fortified grains and 100% whole-wheat bread. Fiber from grains is known as “cereal fiber,” a term
Your Exercise Toolbox
With a little searching, you probably can find many physical activity experts and community resources to help you on your fitness journey. Whether it’s an exercise class to inspire you or a personal trainer to give you one-on-one instruction, there are a lot of options. Community fitness programs,
Q. Is it safest to avoid grilling foods because of increased risk of colon cancer?
A. Joel B. Mason, MD, Tufts professor of medicine and nutrition, answers, “Although the existing evidence falls short of being ‘proof positive,’ scientific studies continue to be published on a regular basis that suggest that regular
Surveys have shown that a large majority of Americans are confident in the “safety, quality and effectiveness” of products marketed as “dietary supplements” (a term derived from a 1994 law that questionably grouped drug-type herbal and botanical extracts with essential vitamins and minerals). So many were shocked at the recent
Amid the hoopla and distractions of the 2016 elections, real issues have been raised and discussed. Questions have been posed, and answers proffered, on wide-ranging topics including jobs, Syria, tax policy, immigration, healthcare, education, the courts, banking, our relations with China, Russia and Europe, and many more. While the replies
“Your vitamin D levels are in the toilet,” said my primary care physician, a naturopathic doctor who’s not one to mince words. Sure enough, my level of 25-hydroxyvitamin D—abbreviated 25[OH]D)—which is the compound that’s measured in the blood to check vitamin D status—turned out to be low. The lab (LabCorp)