|
|
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.