powerketo review With the support of Welcome and the European Research Council , a team of scientists led by Professor Sadaq Farooqui , of the Welcome-MRC Institute of Metabolic Science at the University of Cambridge , carried out the 'Study on Slim and Slender Individuals’. They wanted to know why and how for some people it is easier to stay thin while others get fat easily. Studies showed that the variation in body weight is highly influenced by genes.