Myopia

Defined as “the gradual or rapid decline of your eyes’ ability to focus on far away objects,” nearsightedness (or myopia, as it is medically known) affects approximately 25 percent of the American population. Nearsightedness is a refractive error, which, according to the American Academy of Ophthalmology, means that the eye “does not bend or refract […]

The human immune system is exceedingly complex. Rather than an enclosed circuit, like your circulatory system, defender cells occupy every region of your body. Like ogres and onions, it has many layers, some of which overlap. Read on to discover more about how your body fights off bacteria and viruses by use of its natural defense system.