Friendships and other social relationships are great for our mood and well-being, and it turns out they’re healthy, too. Here are five reasons—that may surprise you—to nurture and treasure your friendships.

If you live in a city that never sleeps, does that mean you don’t get to, either? Some people struggle more than others with the effects of city noises and bright lights, but there’s no doubt they can make your sleep more fitful and make it harder for you to get as much shut-eye as you really need. How noise...

For almost all of human history, food has been a scarce resource, and periods of fasting—even long ones—were fairly common. For many of us today, however, our next meal is no farther away than the kitchen pantry. Overconsumption of food, not underconsumption, is more likely to be our biggest health threat.

Comfort is a vital part of good sleep hygiene, which means having the right lighting, the right temperature, the right mattress—and the right pillow. There are so many pillows to choose from, with dozens of different material and style combinations available. Here’s a quick guide to finding one that’s right for you.