The theory that tumor cells thrive when oxygen-deprived was discredited more than 50 years ago. Growth requires both nutrients and oxygen. Solid tumors require more because they grow faster than the corresponding normal cells. Most chemical waste products are excreted by the liver and kidneys. Hypoglycemic episodes, which occur most often in diabetics who take insulin, are usually followed by several hours of depressed functioning.
Many factors can influence how energetic people feel.
But if the hope proves false, the good feeling will quickly disappear. The sleep sessions are usually done once a day, five days a week, for three to seven weeks. Advance payment is required. Treatment outside of the United States is not covered by Medicare or Medicaid and is not usually covered by HMOs or other managed-care plans. However, most private insurance companies do not knowingly pay for nonstandard treatments.