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Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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Approximately 500,000 babies are born each year in the United States to teenage mothers.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Burn Degree By Tissue Layer Burn Degree By Tissue Layer
A long, narrow cobbled street in Old San Juan. A long, narrow cobbled street in Old San Juan.
The integument: the epidermis, dermis, subcutaneous tissue, and its appendages. The integument: the epidermis, dermis, subcutaneous tissue, and its appendages.
Connective Tissue Extracellular Matrix Connective Tissue Extracellular Matrix
Internal Renal Anatomy Internal Renal Anatomy
Tissue-specific enhancer action Tissue-specific enhancer action
Video: Semidiscontinuous DNA replication

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