In a weird twist of evolutionary fate, your brain doesn’t have a lymphatic system, aka that vast network of vessels and nodes that collects and removes cellular crap throughout the rest of your body. Which yes, means every other organ gets an elaborate plumbing network to haul out the trash, while the brain gets a […]

The 2am wake-up — where you snap awake for no reason and immediately begin re-litigating every decision you’ve ever made. A tradition like no other. Clinically known as sleep fragmentation, and it’s not some rare glitch: more than a third of adults pull this exact move at least three nights a week. But the part […]