Sub-health conditions can manifest in various forms, including physical, psychological, and social aspects. The physical aspect can involve symptoms such as fatigue, muscle and joint pain, headaches, heart palpitations, sleep disorders, loss of appetite, and digestive issues. Psychological aspects may encompass emotional instability, anxiety, depression, and memory decline. Social interaction difficulties can also be a symptom of sub-health conditions, affecting an individual's ability to interact with others and fulfill social roles.