• Premenstrual: Happening just before a woman's menstrual period.
• Neurotransmitters: A substance in the body that carries a signal from one nerve cell to another.
• Psychosomatic: Caused by mental or emotional problems rather than by physical illness.
• Serotonin: Powerful neurotransmitter that performs various functions related to sleep and mood.
• Holistic: Relating to or concerned with the complete picture rather than with individual parts.
• Mastalgia: Pain in breasts.
• Edema: Retention of fluid causing swelling
• Fatigue: Weariness or exhaustion