Cartilage between bones acts as a cushion and provide a smoother surface for joints to rub against. In oth â¦ er places it acts as a shaping structure. The tip of the nose and ears are composed almost entirely out of cartilage.
Story at-a-glance 1  -. Eating your boogers may help introduce pathogens from your environment to your immune system, helping it to learn and build defenses, according to a new theory in support of the hygiene hypothesis.
But coffee and other caffeine-packed beverages arenât the best thing to reach for when you need an energy lift, according to experts. âToo much caffeine may actually drain energy versus boost it,â says Erin Palinski-Wade, RD, CDE, author of Belly Fat Diet for Dummies.