University and Graduate research intensive university: VISTEC, are designed to strengthen Thailand's national research universities. The private sector of education is well developed and significantly contributes to the overall provision of education. Thailand has the second highest number of English-medium private international schools in Southeast Asian Nations. Cram schools are especially popular for university entrance exams. Students in ethnic minority areas score consistently lower in standardised national and international tests. This is likely due to unequal allocation of educational resources, weak teacher training, poverty, and low Thai language skill, the language of the tests. , Thailand was ranked 89th out of 100 countries globally for English proficiency. Extensive nationwide IQ tests were administered to 72,780 Thai students from December 2010 to January 2011. The average IQ was found to be 98.59, which is higher than previous studies have found. IQ levels were found to be inconsistent throughout the country, with the lowest average of 88.07 found in Narathiwat Province and the highest average of 108.91 reported in Nonthaburi Province. The Ministry of Public Health blamed the discrepancies on iodine deficiency, and required that iodine be added to table salt. Thailand is the third most popular study destination in ASEAN. The number of international degree students in Thailand increased by 9.7 times between 1999 and 2012, from 1,882 to 20,309 students. Most of international students come from neighbor countries like China, Myanmar, Cambodia and Vietnam. Health Thailand ranks world's sixth, and Asia's first in the 2019 Global Health Security Index of global health security capabilities in 195 countries, making it the only developing country on the world's top ten. Thailand had 62 hospitals accredited by Joint Commission International. In 2002, Bumrungrad became the first hospital in Asia to meet the standard. Health and medical care is overseen by the Ministry of Public Health (MOPH), along with several other non-ministerial government agencies, with total national expenditures on health amounting to 4.3 percent of GDP in 2009. Non-communicable diseases form the major burden of morbidity and mortality, while infectious diseases including malaria and tuberculosis, as well as traffic accidents, are also important public health issues. The current Minister for Public Health is Anutin Charnvirakul. In December 2018 the interim parliament voted to legalise the use of cannabis for medical reasons, making Thailand the first Southeast Asian country to allow the use of medical cannabis. Culture Thai culture and traditions incorporate a great deal