Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Did you know?
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
Photograph of a person with a cataract in the right eye.
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Older adults may grieve intensely over the loss of a person or situation that has been a part of the
Jeremy Bentham, A General Idea of a Penitentiary Panopticon, drawn by Willey Reveley.
Brushing off to finish-front. Move to the front and place the person’s hands on his or her knees. ...