Sleep can impact mood, mental sharpness, and daily productivity. Here are tips on how to get the quantity and quality of sleep you need.| Health
Quitting sugar isn't always easy, but you can quit or cut down on too much added sugar. Learn some tips for how to give up sugar, the health benefits, and more.| Health
Signs of vitamin D deficiency include fatigue, bone loss, and weight gain. Vitamin D is essential for calcium absorption and immune, nerve, and muscle systems.| Health
Research shows exercise can boost your immune system—but it depends on the intensity and consistency of your workouts. Learn how to jumpstart yours.| Health
Certain health conditions, procedures, and medications can cause a weak immune system. Some causes are unavoidable but you can take steps to protect yourself.| Health
Should you take Vitamin D Supplements? We analyzed the research and spoke to experts to determine who should take a vitamin D supplement and which are the best options.| Health
Optimizing immunity requires a holistic approach. A well-balanced diet that includes the best foods for immune system health can help.| Health
Using your phone before bed can hurt your sleep due to factors like blue light. One of our editors went phone-free in bed to see if her sleep improved.| Health
Stress can negatively affect your mood, mental health, and physical well-being. But techniques like meditation and journaling can help reduce stress.| Health
Dehydration, when you lose more water than you take in, causes dark urine, headaches, and more. Drink 9-13 cups of fluids a day to prevent dehydration.| Health
Vitamin C is a popular supplement for cold and flu season, but the benefits of a supplement may have more to offer. Learn which vitamin C supplements we recommend according to research and expert insights.| Health