We love a G&T, but we suspected our favourite tipple is likely to make us gain weight, not lose it. Well apparently, we were wrong. Okay, sugary tonics don’t do us much good, but a shot of gin can actually speed up your metabolism and help your body burn fat quicker. Researchers from the University of Sigulda in Latvia have revealed that gin can cause an ‘after burn’ effect, which boosts your body’s calorie-burning potential.