Introduction Vitamin D is a fat-soluble vitamin that is naturally present in very few foods, added to others, and available as a dietary supplement. It is also produced endogenously when ultraviolet rays from sunlight strike the skin and trigger vitamin D synthesis. Vitamin D obtained from sun ...

A thrombosis is a blood clot. The clot may block a blood vessel, causing potentially serious health effects. A deep vein thrombosis (DVT) is a blood clot that forms in the deep veins of the leg. A deep vein thrombosis in the thigh carries a risk ...

Vomiting and Diarrhea Vomiting and diarrhea are common in children; sometimes this is called the stomach flu. Usually vomiting and diarrhea are caused by a viral ...

What is deep vein thrombosis? Deep vein thrombosis (DVT) is a blood clot (thrombus) in a deep vein, usually in the legs. Clots can form in superficial veins and in deep veins. Blood clots with inflammation in superficial veins (called superficial thrombophlebitis or phlebitis) rarely cause ...

A lot of questions about how to have sex, how to masturbate, and worries about all of what's all going on down below can be easily solved by simply getting to know what genitals and other reproductive organs are all about. Many things some people presume are problems ...

Many women develop varicose veins during pregnancy. In fact, it has been estimated that as many as 40 percent of all pregnant women suffer from varicose veins. The principal cause is the hormonal changes that occur during pregnancy. Increased levels of the hormone progesterone cause ...