Bipolar disorder is more than mood swings — it’s a complex brain-based condition that affects energy, sleep, relationships, and daily life. From subtle shifts to dramatic highs and lows, bipolar can show up in many ways, often misunderstood or overlooked. This blog explores what science tells us about the bipolar brain, signs to watch for in yourself or loved ones, and simple checklists to help you know when it’s time to seek support.