The biggest animal in the ocean, and in the world, is the blue whale (Balaenoptera musculus), a sleek, light-colored giant. Blue whales are thought to be the largest animal ever to live on the Earth. They reach lengths up to about 100 feet and weights of an amazing 100-150 tons.
You get a pimple when a pore in your skin gets clogged, usually with dead skin cells. Sometimes bacteria get trapped inside the pore, too, causing the area to become red and swollen. Cystic acne happens when this infection goes deep into your skin, creating a red, tender bump that's full of pus. It may hurt or itch. If a cyst bursts, the infection can spread, causing more breakouts.
What Causes Adult Acne? There are many reasons you can break out as an adult. Stress or changes in your hormone levels, like menopause or switching or stopping birth control pills, are two possibilities. Some medications, including lithium, antiseizure drugs, and corticosteroids, can cause acne.