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Excessive alcohol use costs the country approximately $235 billion every year.
The FDA recognizes 118 routes of administration.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
![Left: This web was woven by a 17-day-old spider, showing regular patterns. Right: This web was woven](https://biology-forums.com/gallery/47/medium_12359_03_04_12_3_07_11.jpeg)
![Variation in coat pattern in zebras. The patterns show progressively more black left to right and to](https://biology-forums.com/gallery/47/medium_27759_23_04_12_7_25_57.jpeg)