To understand what antioxidants do, you have to start with a little molecule called a free radical. Free radicals are naturally made in your body when your cells make energy from foods you eat and when you use energy during exercise. Free radicals can also occur when your cells are … Read More
Kristen N. Smith, PhD, RDN, LD
Selenium may have caught your attention, as it’s one among many supplements that has been studied for its potential to treat a variety of conditions ranging from asthma and dandruff to infertility. While it’s true that our bodies need this essential to function properly, it takes very little to do … Read More
You may have heard about the potential benefits of liquid chlorophyll. People have been dropping this supplement into water. The water turns green and then you drink it. Makers of this supplement make the claims that it can prevent cancer, heal wounds, control body odor, treat skin conditions like acne, … Read More
NAC, the acronym for N-acetylcysteine, is used as both a prescription medication and an over-the-counter supplement. As a medication, NAC has proven benefits for preventing liver damage caused by an overdose of acetaminophen (Tylenol). It is also used as a medication to break up mucous in the lungs, although the … Read More
Studies in human cells and in animals show that oils from the oregano plant have definite antibacterial and antioxidant properties. These oils can break down the walls of bacterial cells and may help fight infections. As an antioxidant, oregano oil may scavenge free radicals and prevent damage to healthy cells. … Read More
Liquid vegetables oils—for example, olive oil and soybean oil—are celebrated as healthy unsaturated fats. Unsaturated fatty acids, when substituted for saturated fats, support general heart health. But for cooking, baking, or dressing salads, what is the healthiest cooking oil? Many people would probably give the answer that olive oil is … Read More
Eating moderate amounts of dark chocolate may benefit health in many ways. In fact, some research suggests that chocolate is now considered an anti-aging, anti-inflammatory “superfood” for the brain and body. Although we need a lot more research before experts agree, some studies examining the health benefits of chocolate suggest … Read More
Known as America’s favorite vegetable, potatoes are beloved for their versatility, their compatibility with other foods, and their ability to be transformed into two of America’s favorite junk foods. And although sweet potatoes aren’t as popular, they’re perceived to be a healthier alternative to white potatoes because of their lower … Read More
Can what you eat affect your eyesight? And which foods protect your eyes? Research shows that three particular carotenoids, each of them antioxidant and anti-inflammatory compounds, play a role in good vision: lutein, zeaxanthin, and astaxanthin. Studies verify that astaxanthin protects the eyes against damage and daily wear-and-tear[1], decreases eye … Read More
The Aztecs and Mayans began eating spirulina as early as 1450. Now, almost 600 years later, it is used as an essential food for NASA astronauts. This algae’s enduring popularity is due to its tremendous nutritional value. Nearly 70% of its dry weight consists of complete protein, and the remainder … Read More
