Tolerance and withdrawal are not universal features of substance use disorder; hallucinogens, for example, do not create tolerance or withdrawal symptoms. Does psychological dependence exist?
PMS, a catch-all name for a myriad of physical and psychological symptoms, is thought to be caused by hormonal changes during the menstrual cycle. The exact cause, however, remains a mystery.
The probability of hallucinating rises with any of several possible functional shifts within the brain's awareness system. Anything that prompts a move from word-based thinking to imagistic or ...
Objective To synthesise the evidence on the effects of physical activity on symptoms of depression, anxiety and psychological distress in adult populations. Design Umbrella review. Data sources Twelve ...