Levoscoliosis is a condition where the spine curves to the left in a “C” shape. This curve usually starts in the lumbar region or lower back. Treatments, such as braces or surgery, can help ...

But our modern-shaped human brains may have only come into existence ... rounder cerebellum (that's the area in the back of the brain, responsible for things like motor control and balance ...

C-shaped pillows have to be shifted from one side of your body to the other if you want to alternate between back support and belly support. However, its hooked ends provide head and knee support ...