Diffusion refers to the net movement of molecules from higher to lower concentration. Diffusion may be a simple diffusion or . A simple diffusion is one in which that occurs unassisted. Facilitated diffusion in contrast is an assisted diffusion in a way that it requires a carrier molecule. For instance, polar molecules diffuse across a cell membrane through carrier molecules in the cell membrane.
Symptoms of Thanatophobia. The mere mention of death or images or thoughts thereof can trigger a crippling anxiety in the patient. Physical Symptoms: Dizziness, dry mouth, sweating, palpitations, nausea, stomach pain, trembling, sensation of choking, chest pain or discomfort, hot or cold flashes, numbness and tingling sensations.
But, by pushing death out of our minds, we do avoid thinking about it for now. And that is the key, for Yalom, that intensifies death fear. Put differently, short term death anxiety forces a pushing of death thoughts out of one's mind, but it actually increases death anxiety over time. For Yalom then, to truly face one's death with full conscious thought and feeling is to overcome death anxiety.