In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Did you know?
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.
Did you know?
Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.
An enlarged heart showing the results of cardiomyopathy.
Right sided heart failure
Conduction system of the heart.
Sign and symptoms of a patient with heart failure
Cost = $99.49; Rate of markup based on cost = 32%. Find the markup and selling price.
Two ways of treating blocked coronary arteries, the main cause of heart attacks in older adults.