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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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There are 60,000 miles of blood vessels in every adult human.

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Defensive mutualism involves species that receive food or shelter in return for providing protection Defensive mutualism involves species that receive food or shelter in return for providing protection
The Black Bee-eater (Merops gularis) is a species of bird in the Meropidae family. The Black Bee-eater (Merops gularis) is a species of bird in the Meropidae family.
The human embryo The human embryo
Stem Cell Research Could Expand Clinical Use of Regenerative Human Cells Stem Cell Research Could Expand Clinical Use of Regenerative Human Cells
The frontal lobe (green) bounded by the Sylvian fissure (yellow line) and central sulcus (red line), The frontal lobe (green) bounded by the Sylvian fissure (yellow line) and central sulcus (red line),
Lineage restriction of human developmental potency. Lineage restriction of human developmental potency.
Video: Structures that affect circulation - kidneys and blood volume and skeletal muscle pumping

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