Fruit should be peeled before eaten and vegetables thoroughly washed before consumption to remove any pesticide residue. Local beer is fine as is tea and coffee practically everywhere. Those adventurous enough to try stall food are sure to find an amazing array of choice and some delicious experiences. Safety Violent crimes against tourists are so rare in Thailand that they make international news. Having lived in the country for over 12 years I have never felt unsafe in any area, regardless of it's wealth level.
Most crimes are petty such as pick-pocketing, credit card fraud and bag snatching.
Even these do not pose a serious problem with a vast majority of the visitors. Some druggings have been reported on trains and buses but guide books tend to overplay these rare occurrences. It is, however, prudent to refuse candy and drinks from strangers and caution is advised when approached by over-friendly touts. Solo women travellers should avoid beaches at night and take general precautions to ensure that they are not left exposed to attack. Jewellery frauds are common, esp.