Energy drinks often contain high levels of caffeine and are often high in sugar (calories). They may also contain other stimulants and sometimes vitamins and minerals or herbal substances. The caffeine levels in these drinks vary, but there is often around 80mg of caffeine in a small 250ml can.
http://www.nhs.uk/Livewell/Goodfood/Pages/water-drinks.aspx
1 Activity Level: Finally you will want to adjust that number based on how often you work out, since you are expelling water when you sweat. 2  You should add 12 ounces of water to your daily total for every 30 minutes that you work out.
http://www.slenderkitchen.com/article/how-to-calculate-how-much-water-you-should-drink-a-day
1 For example, if you buy a 16 oz container and need to drink 80 ounces of water a day, your goal would be to drink 5 of those daily.
http://www.slenderkitchen.com/article/how-to-calculate-how-much-water-you-should-drink-a-day
1 Multiply by 2/3: Next you want to multiple your weight by 2/3 (or 67%) to determine how much water to drink daily. 2  For example, if you weighed 175 pounds you would multiple that by 2/3 and learn you should be drinking about 117 ounces of water every day.
http://www.slenderkitchen.com/article/how-to-calculate-how-much-water-you-should-drink-a-day
The recommendation stated that a person should have 1 ml (about 1/5 of a teaspoon) of water for each calorie he or she consumes. The average diet at the time was approximately 1900 calories, meaning you needed about 64 ounces of water per day. Now the Institute of Medicine sets general guidelines for total water intake. It recommends that women consume a total of 91 ounces (that’s about 2.7 liters) per day – from all food and beverages combined. For men, it’s about 125 ounces a day (or 3.7 liters). Depending on your diet, about 25% of the water you consume comes from your food. Most of us healthy folks get enough water in the foods and liquids we consume. That includes any liquid we drink – even caffeinated beverages like soda, coffee and tea.
http://www.doctoroz.com/blog/leigh-vinocur-md-facep/how-much-water-do-you-really-need
Drink plenty of water. Water is a healthy and cheap choice for quenching your thirst at any time. It has no calories and contains no sugars that can damage teeth. Plain tea, fruit tea and coffee (without added sugar) can also be healthy. If you don't like the taste of plain water, try sparkling water or add a slice of lemon or lime.
http://www.nhs.uk/Livewell/Goodfood/Pages/water-drinks.aspx
Tea and coffee. It's fine to drink tea and coffee as part of a balanced diet. Bear in mind, though, that caffeinated drinks can make the body produce urine more quickly. Some people are more susceptible to this than others, but it also depends on how much caffeine you have and how often you have it.
http://www.nhs.uk/Livewell/Goodfood/Pages/water-drinks.aspx
They should drink whole milk until they are two years old because they may not get the calories they need from lower-fat milks. Cow's milk should not be given as a drink until a baby is one year old as it doesn't contain the balance of nutrients a baby needs.
http://www.nhs.uk/Livewell/Goodfood/Pages/water-drinks.aspx
1 You should add 12 ounces of water to your daily total for every 30 minutes that you work out. 2  So if you work out for 45 minutes daily, you would add 18 ounces of water to your daily intake.
http://www.slenderkitchen.com/article/how-to-calculate-how-much-water-you-should-drink-a-day
1 The amount of water a person should drink varies on their weight, which makes sense because the more someone weighs the more water they need to drink. 2  A two hundred pound man and 100 pound woman require different amounts of water every day.
http://www.slenderkitchen.com/article/how-to-calculate-how-much-water-you-should-drink-a-day
how many water should you drink a day
You should drink 80 ounces of water a day.