medicine

7 articles · All tags

• How the Body Balances Water and Causes Dehydration
  Dehydration happens when losses outpace intake. The body prevents it by balancing water through urine, sweat and breath, guided by thirst, hormones and kidneys.
• Bone Remodeling and Osteoporosis: How Bone Renews Itself
  Bone remodeling is a lifelong cycle that removes old bone and lays down new bone, and osteoporosis develops when removal outpaces replacement, leaving bones fragile.
• How General Anesthesia Works: Plain-Language Explanation
  General anesthesia uses drugs that reversibly switch off consciousness and pain in the brain, while doctors keep breathing and circulation supported during surgery.
• Blood Pressure Explained: What the Two Numbers Mean
  Blood pressure is the force of blood against artery walls, written as systolic over diastolic in mmHg. Learn what each number measures and how readings are rated.
• Antibiotic Resistance
  The ability of bacteria to survive antibiotics, driven by natural selection under selective pressure from antibiotic use.
• Antibodies
  Y-shaped proteins produced by B cells that recognize specific antigens and drive the adaptive immune response.
• Pharmacokinetics
  What the body does to a drug — absorption, distribution, metabolism, and excretion — and the numbers that govern dosing.