In science, a law describes an observed phenomenon.
Deduction starts out with a generalization that follows a process to reach a specific, logical conclusion. Induction is the opposite - making a generalization from a set of specific observations.
Anorexia nervosa involves an obsession with food and weight that can end up consuming a person's life.
Scabies is a skin condition caused by a microscopic mite. Symptoms include itching and red bumps or blisters.
Camels are mammals with long legs, a big-lipped snout and a humped back. There are two types of camels: dromedary camels, which have one hump, and Bactrian camels, which have two humps.
Wolves are large carnivores — the largest member of the dog, or Canid, family. Wolves are common to all parts of the Northern Hemisphere.
Botulism is a rare but serious illness caused by toxins released by bacteria. These toxins are among the most lethal substances known to man.
Sweating is the human body’s way to keep cool through the evaporation of liquid released from the sweat glands.
Heat stroke is a very serious medical condition that causes at least 240 deaths in the United States each year.
Sunscreen is the best line of defense against skin cancer. However, many people aren't using it correctly.
The adrenal glands affect metabolism, blood pressure, the immune system, sex hormones and the body’s response to stress.
The parathyroids are four small glands that play a big part in regulating the amount of calcium in the blood.
Estrogens are hormones that that are important for sexual and reproductive development, mainly in women. They are also referred to as female sex hormones.
Also called ‘gouty arthritis,’ gout is a painful form of arthritis caused by too much uric acid in the blood. Learn about causes, symptoms and treatment.
The pituitary gland is called the master gland of the endocrine system; it controls many other hormone glands in the body.
Ovaries are the primary female reproductive organs. They secrete hormones and release eggs for fertilization.
The testicles are the primary male reproductive organs. They produce gametes, or sperm, and they secrete hormones, primarily testosterone.