Difussion occurs from a high concentrated region to a low concentrated region. The velocity of diffussion is proportional to the differential of concentrations. In the lung arrives blood with low levels of oxygen while the long is rich with fresh oxygen so the oxygen flows from the lung tissues to the blood.
The other tissues consume oxygen continually them they get poor in oxygen and so the oxygen that is in the blood diffuses to the tissue that is poor in oxygen.
As you age, you realize that the way you eat might effect how long you live. Eating too much or too much bad things can give you lots of medical conditions, and you realize that as you get older.
Answer:
I advice you take a healthy diet instead
The therapy for anxiety disorder is called as cognitive behavioral therapy and is used to treat various phobias, panic attacks, social anxiety etc. Cognitive therapy is the assessment of negative thoughts contributing to anxiety. Behavioral therapy is the observation of the reaction of the person towards these thoughts. Medications for the same includes serotonin reuptake inhibitors.