The deceased suffered from an obesity problem and had an enlarged heart and liver, he added.
On Thursday, The Straits Times in Singapore reported two more fatalities in the island republic, bringing its toll to three.
Both patients also had underlying medical conditions. They were a 13-year-old boy who had epilepsy and a 55-year-old man with motor neuron disease, a nerve disorder.
The first death, last Saturday, was of a 49-year-old man who had multiple health problems including diabetes, hypertension and high cholesterol.
Source: The Star Online