Retinal Migraine. Headaches classified as common, classic or cluster migraines generally cause visual symptoms that are temporary and not serious. However, ocular, ophthalmic and retinal migraines are complicated migraines that can be very serious and are associated with eye problems. For example, according to the Mayo Clinic, a retinal migraine is a rare condition that can cause vision loss or blindness.
The Merciless is a fast paced, quick read that keeps you guessing as to just what terrible idea these mean girls will come up with next. Itâs outlandish, but only just so, since Iâm sure we can all think of a girl from high school like Riley who other people followed without question.
1. Sand tiger sharks. The animal kingdom is no stranger to cannibalism, which often manifests itself in brutally merciless ways. One of the most bloodthirsty examples is the sand tiger shark, in which large embryos feast on their puny siblings while still gestating in the womb.hickens Hens are known to sometimes eat their own eggs, especially if they're not getting enough calcium, which leads to thin shells. Farmers employ all sorts of techniques to keep this from happening, like planting inedible fake eggs, such as golf balls. So much for which comes first. 7.