Sri Lankans Need to Eat More Mushrooms-by Dr. Harold Gunatillake     Can mushrooms improve immunity, reduce heart disease, and even fight and reverse cancer, as believed? There are people in sri Lanka still believing that most edible mushrooms sold in the markets, could be poisonous and hesitate purchasing. Yes, there are thousands of varieties of mushroom, naturally found and grown, and most of them are poisonous. Today, there are popular varieties of farm grown mushrooms available in the markets, and they are guaranteed to be safe for consumers. No cases of poisoning or death have been reported in sri Lanka in the recent past, to our knowledge. Mushrooms are not vegetables though available in the vegetable markets, they belong to the fungi kingdom, like penicillin discovered from the fungus penicillium notatum. Mushrooms have no attractive colours like the many colourful varieties of vegetables containing the most vitamins and minerals, ...