how many glasses of water should you drink a day

You've probably heard the advice to drink eight glasses of water a day. That's easy to remember, and it's a reasonable goal. Most healthy people can stay hydrated by drinking water and other fluids whenever they feel thirsty. For some people, fewer than eight glasses a day might be enough. But other people might need more. You might … See moreWater is your body's principal chemical component and makes up about 50% to 70% of your body weight. Your body depends on water to survive. Every cell, tissue and organ in your body needs water to work properly. For example, water: 1. Gets rid of wastes through urination, … See moreNo. You don't need to rely only on water to meet your fluid needs. What you eat also provides a significant portion. For example, many fruits and vegetables, such as watermelon and … See moreEvery day you lose water through your breath, perspiration, urine and bowel movements. For your body to function properly, you must … See moreYour fluid intake is probably adequate if: 1. You rarely feel thirsty 2. Your urine is colorless or light yellow Your doctor or dietitian can help you determine the amount of water that's right for … See more

Apr 12, 2026 · The old “8 glasses a day” rule is often insufficient for modern life. This comprehensive guide explores How Much Water Should You Drink based on clinical data from the NIH and CDC, …