No doubt, you can do away without it, but if a new study is to be believed, sugar can make you a sweeter person.

An international team has carried out the study and found that sweet drinks do give people a sugar rush that helps supply the brain with the fuel required to suppress outspoken opinions.

"The findings suggest a link between glucose levels and the expression of prejudice and the use of stereotypes.

"People with lower glucose levels are more likely to use stereotypes when describing others and, if they are high in prejudice, are more likely to make derogatory statements," The Daily Telegraph quoted researchers as saying.

The researchers from Amsterdam University and Florida State University have based their findings on an analysis of two groups of student -- one given lemonade with sugar and the other lemonade with an artificial sweetener.

They were then shown a picture of Sammy, a young man said to be gay, and asked to write for five minutes about his typical day. Using a list of 58 stereotypes associated with gay men, the researchers then counted the number of times they were written.

Those who had drunk the sugary drink used far fewer stereotypes in their essays than those who had the artificial sweetener, leading to a theory that people can use restraint to keep objectionable thoughts to themselves when they have higher amounts of glucose in their body.

"When people engage in the act of trying to control public expressions of prejudice or the use of stereotypes they consume the energy required for self-regulation. However, once the energy source is restored to normal levels, people regain the ability to control conscious responses towards others.”

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