Most Americans now live in states where recreational marijuana is legal. Medical marijuana is even more widespread. This special issue of TIME looks at every aspect of this new and evolving world. It examines what we know—and still don't know—about the health benefits of cannabis and its ability to treat PTSD, help with digestive maladies, improve sleep, and ease chronic pain. It considers the law, the business, and the culture of cannabis.

Clear, concise, and packed full of tips on the best beauty products and routines, Cosmopolitan Best Skincare Ever! Offers the latest science-based tips on dealing with everything from acne to wrinkles. We point you to the best essentials, from cleansers to moisturizers and sunscreens—with many options that won’t break the bank. Beauty devotees, we’ve got you covered, too, with the lowdown on whether all those products, in-office procedures,