Stress is a natural response to a perceived threat or pressure. It can be caused by various factors, including: External Factors 1. *Work-related stress*: Long hours, heavy workload, and lack of control. 2. *Financial stress*: Debt, poverty, and financial insecurity. 3. *Relationship stress*: Conflict, divorce, or strained relationships. 4. *Health stress*: Chronic illness, pain, or disability. 5. *Environmental stress*: Noise, pollution, and climate change. Internal Factors 1. *Fear and anxiety*: Fear of failure, rejection, or the unknown. 2. *Perfectionism*: Unrealistic expectations and self-criticism. 3. *Low self-esteem*: Negative self-talk and self-doubt. 4. *Trauma*: Past experiences of abuse, neglect, or loss. 5. *Burnout*: Chronic exhaustion and lack of motivation. Lifestyle Factors 1. *Poor time management*: Overcommitting and lack of balance. 2. *Lack of sleep*: Insufficient rest and fatigue. 3. *Unhealthy habits*: Poor diet, lack of exercise, and substance abuse. 4. *Social media*: Excessive use and comparison. 5. *Technology overload*: Constant notifications and distractions. Developmental Factors 1. *Major life changes*: Moving, job changes, or retirement. 2. *Aging parents*: Caregiving responsibilities and emotional stress. 3. *Parenting*: Raising children and managing their needs. 4. *Adolescence*: Puberty, peer pressure, and identity formation. 5. *Older adulthood*: Health decline, loss, and aging. These factors can interact with each other and with individual circumstances to cause stress.