The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
A Typical Pattern of Sleep Stages During a Single Night
Structure of a typical neuron.
A typical ratchet used to rotate a socket. A ratchet makes a ratcheting noise when it is being ...
A typical engine coolant temperature (ECT) sensor. ECT sensors are located near the thermostat ...
A typical massage room has adequate space for equipment and pleasant decorations.