Republicans won Democratic-held Senate seats in Arkansas, Colorado, Montana, North Carolina, South Dakota, West Virginia and Iowa, moving beyond the six-seat gain they need to win a majority â and even more power to shape the final two years of Obama's presidency.
Skin Diseases That Cause Dark Spots. 1  Melasma: Itâs one of the commonest causes of grayish patches on the face. 2  Riehlâs Melanosis: It causes grayish or brownish patches on your face resulting from hyper-pigmentation. 3  Poikiloderma of Civatte: This mostly affects the neck area that has been exposed to sunâs rays.
They are caused when pieces of debris floating in the jelly-like substance of the vitreous humor, which fills the middle of an eyeball, cause shadows on the retina at the back of the eye.While rarely a cause for concern, they can be annoying enough for some to want to learn how to reduce floaters.hey are caused when pieces of debris floating in the jelly-like substance of the vitreous humor, which fills the middle of an eyeball, cause shadows on the retina at the back of the eye.