Tag: Spinal tap

Approximately 5 in 100,000 people suffer from spontaneous intracranial hypotension (SIH), a condition where the spinal fluid pressure is abnormally low. This guide explains exactly what causes a low head pressure, detailing the medical reasons behind this confusing term and its serious implications.

According to a 2023 study published in *Health Psychology*, up to 50% of people experience moderate-to-severe anxiety before a medical procedure. Defining **what is the hardest medical test** is complex, as 'hardest' is a subjective measure based on physical discomfort, psychological strain, and diagnostic complexity.