Heart rate variability (HRV) is a measure of the tiny fluctuations in timing from one heartbeat to the next. Higher values are linked to better fitness levels and stress resilience.
Eating two eggs per day doesn’t appear to raise harmful LDL cholesterol, as long as people follow a diet low in saturated fat. Although eggs are high in cholesterol, dietary cholesterol doesn’t have much of an effect on the amount in a person’s bloodstream. But excess dietary saturated fat does raise blood cholesterol, which is why people should limit their saturated fat to 7% of their daily calories.
When should you get your flu shot, and is it ever too early? Infectious disease expert Dr. Todd Ellerin explains the best timing, plus a new at-home option: FluMist, a simple needle-free nasal spray for ages 2–49.
Ovarian cancer is hard to detect—know your risk factors and don’t ignore symptoms.
Protein powerhouse: Greek yogurt fuels you with gut-friendly probiotics and 18g protein.
Know your risk: 54 million Americans have osteoporosis or low bone density.
Influencers, news headlines, and well-meaning friends and family offer conflicting advice on wellness. Quick fixes and fads may do little for our health, and some even prove harmful. Try to work these five simple habits that can boost health and wellness into your everyday life.
Think you know the facts about bone health? From peak bone mass to supplements and screenings, test your knowledge with our 10-question osteoporosis quiz—and learn how to keep your bones strong for life.
Think you know the facts about bone health? From peak bone mass to supplements and screenings, test your knowledge with our 10-question osteoporosis quiz—and learn how to keep your bones strong for life.
Many devices that measure blood pressure without an inflatable arm cuff are in development, including a wristband recently cleared by the FDA for over-the-counter sale. It relies on a light-based sensor to detect changes in the amount of blood flowing through the vessels of the inner wrist, a technique known as photoplethysmography. But the devices have to be periodically calibrated, and as yet, there are no standards to validate the accuracy of cuffless devices.