folate (fÅËÂ·lÄt), n a B vitamin that is present in leafy green vegetables, dry peas and beans, and fortified breads and cereals. Folate deficiency may increase the risk of certain cancers, Alzheimer's disease, and certain birth defects, such as neural tube defects.
World's oldest twins are 102-year-old Scottish sisters, says Guinness World Records. Twins Evelyn (left) and Edith (right) celebrate their 102 birthday. Guinness World Records has declared the pair from Scotland the world's oldest twins.
Here are some of historyâs most famous conjoined twins. Image: Michael A. Wesner. Conjoined twins Millie and Christine McCoy in the early to mid-1890s. A hundred years or so ago, few conjoined twins would have been likely to survive more than a few weeks; indeed, even today, only one in four cases survive.