Here, get into the details, causes, how to tend to them naturally (it is possible), and easy prevention tips. You may also hear them called “smile lines,” “marionette lines,” or the more technical “nasolabial folds,” says aesthetic registered nurse Neethi Masur, R.N. at SKINNEY MedSpa. If you’re having trouble picturing this, go to the mirror and shoot yourself a big grin. The distinct lines that you see that appear like a stretched-out closed parenthesis?...

Here, discover the small, sustainable, science-backed changes—plus one really intriguing supplement—that will help you look and feel your best: When people were allowed to sleep only 4.5 hours per night for four nights, participants in one study experienced a 16% drop in insulin sensitivity overall, and their fat cells’ sensitivity to insulin dropped 30%. Researchers say that is equivalent to metabolically aging someone 10 to 20 years. To ensure you’re sleeping enough, scale back on tech before bed, try wearing blue-light-blocking glasses in the evening, and consider a magnesium glycinate supplement....

When it comes to skin’s structural health, however, one thing that is certain is the undeniable importance of collagen. In addition to these natural declines in both collagen reserves and collagen-production ability, “there are also environmental factors that cause the collagen to degrade, such as ultraviolet rays, pollution, stress, and smoking,” Icecreamwala says. What’s more, certain skin care practices can actually break down collagen levels in the skin even further—which is why it’s crucial, if keeping your skin healthy and staving off signs of aging is important to you, to incorporate collagen-boosting practices and ingredients into your routine....

See, actives are such an integral part of product formulation; without them, it’s hard to fully understand how your products are working, or whether they are working at all. However, it gets a bit fuzzy when we talk about them within the context of beauty—because there’s the stricter FDA-regulated term “active ingredients,” and there’s the looser, less involved colloquial way that it’s used (or when you see people use it in beauty stories or marketing)....

Beard burn is a real thing, people, but that doesn’t mean you must stick to suitors with a clean shave for the sake of clear skin. Here, derms explain how to prevent and treat the hairy situation. “Beard burn usually manifests with redness, irritation, and even sometimes swelling or red bumps,” Fenton adds. It ultimately looks different on everyone—those with fair skin might experience more visible redness, while those with deeper skin tones might recognize more swelling and tenderness—but generally the skin will look and feel raw, often paired with some textural concerns....

Read on to learn what experts say about mold in our homes, guidance for dealing with it, and our picks for the best air purifiers for mold. While most air purifiers won’t eliminate the mold or mildew already growing on your surfaces, these machines help prevent mold spores from landing in the first place. “Top-rated air purifiers have the ability to remove small particles like spores, improving indoor air quality and reducing the chances for indoor mold growth, explains Michael Rubino, mold and air quality expert and author of The Mold Medic, an Expert’s Guide on Mold Removal....

You may have considered using cannabidiol, commonly known as CBD, for your pooch. We’ve got the details on what you need to know about how, when, and why to give dogs CBD. She adds that CBD is generally safe for dogs but pet parents should be careful to choose the right brands and dosage, and monitor their pups for any side effects. They should also consult their dog’s veterinarian before starting them on CBD....