New research by Singapore’s National Neuroscience Institute (NNI) also revealed that carrying one of two Asian gene variants increases your risk of Parkinson's disease. And up to 10 per cent of the Singapore population carry one of these gene variants.offee and tea drinkers, rejoice – especially those with a genetic predisposition to developing Parkinson’s disease (PD). New research by Singapore’s National Neuroscience Institute (NNI) has found that two cups of kopi (traditional local coffee made from robusta coffee beans) a day can reduce the risk of PD by four to eight times in people with Asian gene variants linked to...