I want to ask that sugar free tablets as Sugar alternative is it safe for body I am 25 year old non diabetic my mom dad are diabetics on meds so what should I consume any natural drink is there to prevent the disease I am phd research scholar at iiser. I was drinking cold coffe with sugar free ice cubes a proffesor saw and told non medical it may cause cancer is this statement correct . What are sugar cubes natural alternative and what changes in diet and natural drink in morning  should i  consume i so i dont get diabetics like mom dad if any drink is there tell once or twice a week drink for pervation or deyaling of disease because tight schedule daily not possible to drink time etc