Among the effects appreciated were those on the mind and psyche, such as increased concentration, activation of life forces, and refreshing the senses
Available at: surgeongeneral.gov/library/reports/50-years-of-progress
In 2008, the World Health Organization predicted that within 2 years, cancer deaths could become the most common form of death in developing countries such as China and India, primarily due to the increased use of tobacco products in these countries
TE: Methodology, Supervision, Writing review & editing
Similar studies were conducted by questioning drug users, resulting in a high correlation to the previous expert judgements 10,11,12