Excessively High or Low <br />BMI Linked to Increased <br />Risk of Death, Says Study The study conducted by <br />scientists in London was <br />published in the most <br />recent issue of Lancet. It linked extreme <br />body mass index (BMI) BMI is determined by dividing <br />a person's weight <br />in kilograms <br />by the square of their <br />height in meters. The authors of the study <br />recommend BMI within <br />the range of 21 to 25. Obesity — a BMI of 30 or higher — <br />was linked to heart disease and cancer. The condition was shown to <br />reduce life expectancy by <br />4.2 years in men and <br />3.5 years in women. Excessively low BMI was <br />linked to dementia, Alzheimer's, <br />cardiovascular disease and suicide. Krishnan Bhaskaran, lead study author, via CNN
