A Normal White Blood Cell Count For most adults, a normal total white blood cell count (measured via a standard blood test called a Full Blood Count, or FBC) is typically between 4.0 and 11.0 × 10⁹ ce...
A Normal Potassium Level For most adults, a normal blood potassium level (measured via a standard blood test called a serum potassium test) is typically between 3.5 and 5.0 millimoles per litre (mmol/...
A Normal Calcium Level For most adults, a normal total blood calcium level (measured via a standard blood test called a serum calcium test) is typically between 2.2 and 2.6 millimoles per litre (mmol/...
A Normal Sodium Level For most adults, a normal blood sodium level (measured via a standard blood test called a serum sodium test) is typically between 135 and 145 millimoles per litre (mmol/L). Sodiu...
10 More Interesting Facts about the NHS 1. Sylvia Diggory: The Very First Patient A Historic Launch: When the NHS officially launched on 5th July 1948, Health Secretary Aneurin Bevan visited Park Hosp...
What Causes Low and High Vitamin D Levels? Low vitamin D levels are most commonly caused by inadequate sunlight exposure, insufficient dietary intake, or conditions that reduce the body’s abilit...
A Normal Vitamin D Level For most people, an adequate blood level of vitamin D (measured as 25-hydroxyvitamin D, or 25(OH)D) is considered to be 50 nmol/L (20 ng/mL) or higher. Vitamin D blood levels ...
What is a Healthy Weight and Waist Size to Aim For? Your weight plays a large role in your risk of developing type 2 diabetes, especially if your extra weight is around your waist. When it comes to ma...
How to Lower Blood Pressure Quickly: 10 Principles Explained by a Doctor Written by Dr Andrew Stein, Consultant Physician (Hospital Specialist), UHCW Coventry. Last updated: June 2026 Many of my patie...
What is a DASH (Dietary Approaches to Stop Hypertension) Diet? The DASH (Dietary Approaches to Stop Hypertension) diet is a flexible, balanced, and heart-healthy eating plan specifically designed to t...
