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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.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

The progression and effects of cancer. The progression and effects of cancer.
cancer cancer
Injecting an IV push (bolus) medication; C, another type of needleless syringe and needleless IV acc Injecting an IV push (bolus) medication; C, another type of needleless syringe and needleless IV acc
Cervical cancer (a) Top view of the uterus showing the presence of a tumor in the wall of the cervix Cervical cancer (a) Top view of the uterus showing the presence of a tumor in the wall of the cervix
Sickled and normal red blood cells. Sickled and normal red blood cells.
Eating calcium-rich foods daily assists with bone health, muscle contraction, and blood clotting Eating calcium-rich foods daily assists with bone health, muscle contraction, and blood clotting
Video: Chemical Changes

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