You might feel fatigued after a long day of activities or a long night of poor sleep. But if daily fatigue is your constant companion, the cause may be a condition that’s zapping your energy or a vitamin deficiency — or both.

Little has been researched more than vitamin D’s relationship to brain health. In fact, a search of medical databases will pull thousands of hits on this dementia repellent. So why do researchers keep going back for more? If there could be a magic pill, vitamin D may be the closest we get…

Vitamin D has a long and enviable list of ways to maintain good health. But there’s a catch: If you’re not getting enough, its preventive benefits are beyond your reach. Research into ongoing deficiencies reveals the complexities of why you may have to get personal to maintain optimal levels.

Prediabetes is a silent sign diabetes isn’t far behind. Watching weight, blood sugar and cholesterol could help you avoid it. But if you find yourself in prediabetes limbo, like 10 million other adults, researchers say a common vitamin could be a big help…

Inflammation seems like such a benign and common symptom. But as the saying goes, “give it an inch and it’ll take a mile.” Once it takes hold — which is easy because it’s fueled by stress, sleep loss, sugar, pollution and countless other modern-day threats — it can completely wreck your health.

When dementia hits before 65, it’s considered young-onset and may have strong genetic ties. But if epigenetics has taught us anything, it’s that genes don’t reign supreme, and scientists have identified 15 factors that can make all the difference.