For cereal, try Rice Milk, or Almond Milk, and avoid artificially flavoured beverages, especially drinks such as chocolate soy milk. Soy, as it is over-processed and over-refined in North America, is linked to causing such conditions as breast and prostate cancer (men do get breast cancer too) and hormonal irregularities.
If you're thirsty, drink *water*, preferably not from the tap or from a plastic bottle (the plastic compromises the purity of the water). Add fresh lemon to alkalize your water, and skip the ice; it "freezes" the esophagus and chills the digestive tract, thus limiting your body's abilities to digest properly.
And here is a brief caution about Soy (source: "Total Health" article, Five "Health Foods" to Avoid by Dr. Joseph Mercola with Rachael Droege:)
"In recent years soy has emerged as a "near perfect" food, with supporters claiming it can provide an ideal source of protein, lower cholesterol, protect against cancer and heart disease, reduce menopause symptoms, and prevent osteoporosis, among other things.
However, numerous studies have found that soy products may:
Increase the risk of breast cancer in women, brain damage in both men and women, and abnormalities in infants Contribute to thyroid disorders, especially in women Promote kidney stones Weaken the immune system Cause severe, potentially food allergies
Perhaps the most disturbing of soy's ill effects on health has to do with its phytoestrogens that can mimic the effects of the female hormone estrogen. These phytoestrogens have been found to have adverse effects on various human tissues, and drinking even two glasses of soy milk daily for one month has enough of the chemical to alter a woman's menstrual cycle.
Soy is particularly problematic for infants, and soy infant formulas should be avoided. It has been estimated that infants who are fed soy formula exclusively receive five birth control pills worth of estrogen every day."
"Why Soy is NOT a Health Food"
http://www.mercola.com/2006/nov/16