According to a global survey by WHO, up to 75% of the world population are in sub-health condition. Sub-health is an abnormal health condition of the mind and body, in between health and illness. People with sub-health suffer from frequent onsets of unhealthy situations but no definite disease or illness can be found.

City dwellers aged 35 to 60, executives, seniors and celebrities are most vulnerable to sub-health. Sub-health can be caused by factors such as persistent stress, bad dietary habits, mental illnesses and pollution. Symptoms of sub-health include headaches, dizziness, fatigue, burnout, back sore and muscle pain, insomnia, and poor concentration etc.

While there are no standard treatments for sub-health, a balanced diet and healthy lifestyle are key to its prevention. Rests and works regularly. Avoid bad habits such as smoking, drinking alcohol and irregular diets. Obtain enough sleep and exercise to enhance immunity and relieve stress. If you suspect yourself or your loved ones may be suffering from sub-health, you should consult your doctor.