Dehydration will lead to elevated blood sugar, low blood pressure, dizziness, or cognitive and memory issues. Dehydration can also lead to digestion issues, feeling more hungry and eating more food, and also a drop in metabolism. Drink water to ensure your body is not stressed out. Drinking water is crucial for human survival, and helps your body processes work correctly. If you’re confused about how much water you need, read on for some direction.
Drink water with alcohol, drink water with food, drink water when doing anything! The amount of water you need depends on your medical conditions, how much alcohol or caffeine that you drink, or how much exercise that you’re doing.
There is no set amount for how much to drink: Harvard Health recommends 4-6 cups of water a day, while the NHS recommends 6-8 glasses or 1.2 liters a day.
Some people with Congestive Heart Failure (CHF) or advanced stage Chronic Kidney Disease (ESRD) may have limits on how much fluid that they can take in. If your doctor gave you a maximum, then you’ll need to stick to that.
Having enough water will also make you feel more full, and will help with diet control. Plus, when drinking water, you are less likely to go for sugary drinks like soda. As a general rule of thumb,
Be aware, though - not all fluids will hydrate your body. Drinks with added sugars make the water less ‘active'. Although it is a liquid, your body won’t be able to use all of it to hydrate you.
From the National Institutes of Health (NIH):
While some of us may get used to functioning with less water intake, the body needs a certain amount to function optimally. The optimum amount that your body needs depends on what you’re doing, and your medical restrictions. If you’re not sure what the right amount of fluids are for you, log how much you’re drinking, and what you’re drinking. And talk with your doctor about your needs.