The most widely accepted definition of a dwarf is a person with an adult height of less than 4 feet 10 inches (147cm). In older popular and medical usage, any type of marked human smallness could also be termed dwarfism. People who are affected by dwarfism are often referred to as "little people".
An evolutionary riddle awaited in the Kumano Sea, off the southeast coast of Japan. Hermit crabs abandoned shells and mollusks were among the materials retrieved from the muddy sea floor by the researchers.
The rare hereditary developmental disorder, called Meier-Gorlin syndrome, or MGS for short, causes dwarfism, missing patella, a small brain, small ears, and other skeletal abnormalities. This condition leads to stillbirths and miscarriages in severe cases.
Viruses are ever-present pathogens that lead to severe infectious diseases in humans as well as in agricultural crops.