Dry eye, also called dry eye disease or dry eye syndrome, is a common eye condition that occurs when the eyes do not produce enough tears or when tears evaporate too quickly or do not have the right composition. Tears are important for keeping the surface of the eye smooth, comfortable and protected. When the tear film becomes unstable, the…

E. coli (Escherichia coli) is a group of bacteria commonly found in the intestines of humans and other animals. Most E. coli strains are harmless and are part of the normal intestinal microbiome. However, certain strains can cause infections. E. coli can cause intestinal infections and diarrhea, while other strains are a common cause of urinary tract infections (UTIs). Some…

Eye floaters are small spots, specks, threads or cobweb-like shapes that appear to move across your field of vision. They may look black, grey or translucent and are often easier to notice when looking at a bright, plain background such as a clear sky or white wall. Most eye floaters are related to normal, age-associated changes in the vitreous, the…

Eczema is a common skin condition that causes dry, itchy, inflamed and irritated skin. The most common type is atopic dermatitis, which often begins during childhood but can also continue into adulthood or develop later in life. Eczema is not contagious and cannot spread from one person to another through touch. The condition can come and go, with periods when…