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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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.