According to The American Institute of Stress:

• About 33 percent of people report feeling extreme stress
• 77 percent of people experience stress that affects their physical health
• 73 percent of people have stress that impacts their mental health
• 48 percent of people have trouble sleeping because of stress

The Global Organization for Stress reports that:

• 75 percent of Americans experienced moderate to high stress levels in the past month
• Stress is the number one health concern of high school students
• 80 percent of people feel stress at work

Depending on a person’s thinking patterns and coping skills, almost anything can cause stress. Some of the most frequently cited sources of stress include:

• Money
• Work
• The economy
• Family responsibilities
• Relationships
• Personal health issues
• Housing costs
• Job stability
• Family health problems
• Personal safety

• Irritability and anger: 45 percent of people
• Fatigue or low energy: 41 percent
• Lack of motivation or interest in things: 38 percent
• Anxiety, nervousness or worry: 36 percent
• Headaches: 36 percent
• Feeling sad or depressed: 34 percent
• Indigestion, acid reflux or upset stomach: 26 percent
• Muscle tension: 23 percent
• Appetite changes: 21 percent

People may also experience:

• Sexual problems
• Weight changes
• Diarrhea or constipation
• Forgetfulness and lack of attention