Tag: Dehydration and headaches

According to a 2010 study published in PubMed, the lifetime prevalence rate for fasting headaches is 4.1%. For many, the answer to "can fasting bring on headaches?" is a definitive yes, often occurring during the initial stages of a new fasting routine. While typically mild, these headaches can be a significant deterrent, making it crucial to understand their root causes and management.

According to the Cleveland Clinic, a significant number of people experience headaches while on a new diet or skipping meals. If you're asking, "Why do I get a headache when I start dieting?" it's most likely due to your body's response to sudden changes in fuel, hydration, and nutritional intake.

While fiber is widely celebrated for its digestive benefits, consuming it in excess, particularly with insufficient water, can lead to dehydration—a known trigger for headaches. So, can too much fiber give you a headache? The relationship is complex and often indirect, involving other physiological effects that can influence your well-being.