A simple guide for understanding two very different conditions Many people experience symptoms before their period, but not all premenstrual symptoms are the same. PMS and PMDD are often confused, but they differ in severity, impact, and how much they affect daily life . Here's a breakdown to help you better understand the differences. Quick Comparison Table Feature PMS (Premenstrual Syndrome) PMDD (Premenstrual Dysphoric Disorder) How common? Very common (up to 90%) Less com

For many people living with endometriosis, the pain, inflammation, and fatigue don’t tell the whole story. A growing number of patients are discovering that their symptoms overlap with another condition: Mast Cell Activation Syndrome (MCAS) . While research is still emerging, the relationship between Endo and MCAS is becoming too significant to ignore. What Is MCAS? Mast Cell Activation Syndrome happens when mast cells , immune cells involved in allergic and inflammatory resp