INDEX psychological effects

The WHO define the psychic dependence as a sensation of absolute need and the psychological tendency to periodical or continuous use. Craving is defined as a very strong desire for a psychoactive substance or for the intoxicating effects of that substance. Pharmacological tolerance is the need to progressively increase the dose to be administered to achieve the desired effects. Addictive potential is the ability of a substance to determine tolerance and dependence. This potential is used as a risk index for the consumption of a substance. 

Comfort is influenced by temperature, humidity, air velocity, radiant heat, clothing, and work intensity. Psychological factors may mso influence comfort, but their discussion is beyond the scope of this handbook. The reader is referred to Chap. 42 of the HVAC Applications volume of the A.S.H.R.A.E. Handbooks for a full discussion of the control of noise, which must also be considered in air-conditioning design. Figure 5 in Chap. 8 of the HVAC Fundamentals volume of the A.S.H.R.A.E. Handbooks relates the variables of ambient temperature, dew point temperature (or humidity ratio) to comfort under clothing and activity conditions typical for office space occupancy. It also shows boundary values for ET, the effective temperature index. This index combines temperature and moisture conditions into a... 

Figure 4. Effect of QoL - the Psychological General Well-Being Index (PGWB) among in patients with acid-related disorders, before and after treatment [7].

---