A new study published in Nature has found that more than 56 percent of the world's oceans have changed color in the past 20 years, and climate change is to blame.
Alzheimer’s mainly affects the elderly, who are eligible for Medicare, but people under 65 — even, rarely, as young as their 30s — also can get diagnosed. They are more likely to have commercial coverage.
Some doctors say the drug should be held for three weeks before sedation to accommodate the delayed emptying of the stomach, which can cause patients to inhale food and liquid into their lungs.