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Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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Your heart beats over 36 million times a year.

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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.

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Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Coupling of electrical and mechanical activity in the mammalian heart. Coupling of electrical and mechanical activity in the mammalian heart.
Relationship Between Physical Activity and Improved Health Benefits Relationship Between Physical Activity and Improved Health Benefits
Fragile and tenuous atmosphere that is vulnerable to the impacts of human activity Fragile and tenuous atmosphere that is vulnerable to the impacts of human activity
Physical Activity Pyramid Physical Activity Pyramid
Sensation Activity: Sight Sensation Activity: Sight
Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ... Jamal plans to retire in 17 years. He is saving $2000 every start of the month in a retirement ...
Video: Krebs cycle : Formation of acetyl coenzyme A and Electron transport chain

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