Defining relative clauses give us important information about the person, thing or place that we are talking about. We use 'who' for people, 'that' and 'which' for things and 'where' for places. Watch the programme to hear examples of how these words are used. You'll find more videos about grammar here: https://bit.ly/1LeFxez #learnenglish #bbclearningenglish #grammar #relativeclauses #elt #esl #who #which #where #6minutegrammar #englishtips | BBC Learning English

It’s very important to understand relative risk/change vs. absolute risk/change. News outlets often take advantage of the fact that many people may not understand this in order to publish attention grabbing headlines. Relative change - By what percentage (larger or smaller) did the number change from the original number? Absolute change - What is the difference between the original number and the new one? If someone tells you something contains x% more or less or increases or decreases risk by x