Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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?
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f
Oral cavity: (A) sagittal section; (B) anterior view as seen through the open mouth.
Diagram of a section of a 15th-century oil painting
Pulmonary embolism. The purple shaded section shows the area of the lung that is dying from lack of ...
Gene expression. Transcription of a section of DNA into a complementary strand of messenger RNA is ...
Horizontal, frontal (coronal), and sagittal planes in the human brain and a cross section of the ...