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.
In your forties and beyond? Keep in mind that heart disease is still the number one killer of women. And once estrogen levels begin to plummet, eating fatty fish can help keep the ticker healthy. The right dose: Two servings (about 4 ounces) of salmon, or other fatty fish, per week.