pharmacology

3 articles · All tags

• 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.
• How Caffeine Works: Adenosine, Alertness, and Sleep
  Caffeine does not give energy; it blocks adenosine receptors so you feel less tired. Learn its half-life, safe daily limits, tolerance, and effects on sleep.
• Pharmacokinetics
  What the body does to a drug — absorption, distribution, metabolism, and excretion — and the numbers that govern dosing.