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?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Examples of the results of sexual selection, a type of natural selection.
The difference between AZT-sensitive versus AZT-resistant reverse transcriptases
Przewalski's Horse, the only remaining type of "wild" horse that has never been domes
Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
Basic molecular mechanisms of delayed-type hypersensitivity.
Cordilleran-Type Mountain Building