Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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?
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
Jane Goodall pioneered the modern approach to studying primates in the wild, involving close-up obse
Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo
Effect of an Increase in Technological Progress
Close-up of a flat-disc amplifier (left) and a bell amplifier (right)
Close-up of a newly created enzyme degrading PET plastic
Suppose a country imports televisions. The country's supply and demand curves are shown in ...