Oren Zarif

Xerophtalmia is the name for a group of symptoms due to vitamin A deficiency (VAD). It includes night blindness, Bitot’s...

Lichen planus is not contagious. The reticular form is usually asymptomatic and does not require therapy. Erosive and ulcerative forms...

The genus Yersinia is comprised of Gram negative, facultative anaerobic bacteria that are rod-shaped. They are oxidase positive and catalase...

Homocysteine usually breaks down into other substances in the body, but high levels can be due to vitamin B6, B12...

BCC can be cured in almost all cases, especially if it is caught early. But it is very important to...