George Engel conceptualised the biospychosocial model in 1977. He suggested apart from the biological condition a persons medical condition is also dependent on social and psychological factors.
This model is used in cases of chronic pain and considers the pain as a psychophysiological behaviour pattern that cannot be categorised into social, psychological and biological perspective.
There are suggestions that physiotherapy should be integrated into psychological treatment to address the various components that comprises the experience of pain.
The value of the mole is equal to the number of atoms in exactly 12 grams of pure carbon-12. 12.00 g C-12 = 1 mol C-12 atoms = 6.022 × 1023 atoms • The number of particles in 1 mole is called Avogadro's Number (6.0221421 x 1023).
